Aquarium Medications; the Proper Use of Antibiotics, Antimicrobials, Herbal and Chemotherapeutic Aquarium Treatments

This article (which will continue to grow withavailable or viable
information) is informational about different aquariumUSE: Trichlorfon is useful for treatment of: Hydra,
(and pond) treatments. I give the gram negative orLernia (Anchor Worms), Parasitic Copepods,
gram positive applications where they apply.Monodigenetic and Digenetic Flukes, Fish Lice
When you have fish that are sick (bacterial, fungal,(Argulus), Leeches
protozoan, or other parasites), you want to try andCLOUT contains Trichlorfon (Dimethyl
isolate them in a hospital aquarium whenever possible.(2,2,2,Trichloro-1-Hydroxyethyl) Phosphonate), as well
Regular water changes before each treatment allowas; 4-[P-(dimethylamino)-O-phenylbenzylidene]-2,
for a more effective treatment, especially when5-cyclohexadien-1-xylidene dimethylammonium
treated in the display aquarium.chloride, 1,2,dimethyl-5-nitroimidazole
Sponge Filters work well in hospital aquariums.DOSAGE: There is no recommended dosage (other
Remember to remove carbon, as carbon will removethan Freshwater fish acute toxicity= 1.6-180 ppm),
many medications. Also note that silicone in therefer to manufacturers directions for all products
aquarium will absorb malachite green , methylene blue,containing Trichlorfon.
and copper sulfate. Most corals (crushed andPENICLLIN, AMPICILLAN;
otherwise), and ceramic decorations will also absorbUSE: Belonging to the group of beta-lactam
medications such as malachite green, methylene blue,antibiotics, ampicillin is able to penetrate Gram-positive
and copper sulfate.and some Gram-negative bacteria.
Proper calcium levels are important, as calcium alsoEven though this a commonly used antibiotic family in
helps in healing and stress, and without proper calciumhumans and other warm blooded animals, this is a
levels healing may be diffficult or impossible. Thefamily of antibiotics that has shown to be generally
addition of antibiotics (such as Tetracycline) will loweruseless in fish. About the only effectiveness comes in
calcium absorbtion.the treatment of some fungal eye infections. All
For more infomation about calcium, see this article:medications, antimicrobials, antibiotics,
CALCIUM, MAGNESIUM, AND KH IN AQUARIUMSchemotherapeutics work differently in differently in
\\\"Medicated Wonder Shells\\\" deliver medicationdifferent organisms, even if the processes are similar.
for ich and fungus treatment and control kH (Calcium)An example I often use is for Quinine Sulfate; this is
levels.a generally safe and effective treatment for fish, but
TRIPLE SULFA (Sulfamerazine, Sulfamethazine,not at all for invertebrates.
Sulfathiazole):ISONIAZID 300 mg:
Sulfas are all antibacterials. These drugs produce areUSE: Treatment for tuberculosis (Symptoms: the fish
bacteriostatic, meaning they inhibit the growth of thehave been sick for several months. The fish is
bacteria but do not kill them.lethargic, anorexic, has fin or scale loss and a sunken
Sulfa drugs arrest cell growth by inhibiting thestomach) in susceptible fish such as Discus. Can be
synthesis of folic acid, a component required forcombined with kanamycin.
growth by bacteria. Folic acid is a large molecule andThis is a difficult disease to treat, as treatment can
is unable to enter bacterial cells, so the bacteria mustgo on for more tha a month.
synthesize the compound intracellularly. Animal cellsAlso note that this is caused by a very similar
are unable to synthesize folic acid and it must bebacterium in human TB, but is not the same, and the
provided in the diet. For this reason sulfa drugs areonly danger to humans is to a open wound exposed
not toxic to animal cells.to the bacterium, which then only causes a localized
USE: A broad spectrum antibacterial medication, finrash.
and tail rot, mouth fungus and collapsed fins,DOSAGE: 1 tablet per 20 gallons, every other day for
columnaris, and hemorrhagic septicemia. Also useful14- 30 days
for damaged fins caused by fin nipping. An oldMETHYLENE BLUE (Zinc Free) 2.303% :
standby that is still usefull and can be used inUSE: Fungus on eggs, Ich, fungus and some bacteria.
combination with Malachite Green or Acriflavin (do notEffective in gill disease. Transports oxygen. Some
combine with copper sulfate). Sulfas are moreprotozoa, sliminess of the skin and oodinium. Great
effective at higher pH levels.for use as a 30 minute dip at double dose.
DOSAGE: 250 mg per 10 gallons every 24 hours withGreat when used as a dip for topical treatment of
a 25% water change before each treatment. Treatparasites, bacterial, and fungal infections. When dylox
for a minimum of 10 days.is not available, this can a useful treatment for anchor
TETRACYCLINE HYDROCHLORIDE:worm (especially in goldfish); first carefully remove
USE: Treatment of bacterial infections mostlythe anchor worm with tweezers, then dip the
gram-positive and some gram-negative infectionsaffected fish in Methylene blue. When used with a
such as fin and tail rot (split, ragged and deterioratingUV sterilizer to kill the swimming stage of the female
fin and/or tail), Popeye (protruding eyes, may beanchor worm (the female is the parasite), this can be
cloudy or hazy), gill disease (swollen, discolored gills,an effective treatment. (Tank can also be treated
gasping for air and a decrease in activity) andwith Malachite green or malachite green combination
secondary infections. It interferes with the productionduring this time for improved effectiveness).
of proteins that the bacteria need to multiply andAlso useful as a dip for ammonia and nitrite poisoning.
divide (bacteriostatic). Tetracycline HydrochlorideDOSAGE: 1 teaspoon of a 2.303% solution per 10
mode of action is as a protein synthesis inhibitor viagallons every other day for 10 days with water
an aminoacyl-tRNA binding mechanism to the 30Schanges before each treatment. BEST USED IN A
subunit. Mode of resistance is the loss of cell wallHOSPITAL TANK. Methylene blue can destroy
permeability. Note, Teracycline can lower red bloodnitrifying bacteria and plants in the display aquarium.
cell count, because of this I would not use withACRIFLAVIN HYDROCHLORIDE 3.84% solution:
injured fish.USE: An antiseptic agent for the skin and mucous
DOSAGE: 250- 500 mg per 20 gallons of water. Everymembranes. It is known to inhibit mitochondriogenesis.
24 hours with a 25% water change before eachGenerally used treatment of mild bacterial and fungal
treatment. This product will not work in water with ainfections such as mouth fungus, fin and tail rot,
ph above 7.5- NOT FOR MARINE USE!fungus, saproglenia; skin parasites such as oodinium
QUININE SUFATE:(velvet), sliminess of skin, and ich (although a very
USE: Resistant strains of Ich (especially on scale lessmild treatment for ich, FW or SW)
fish). Protozoan, sliminess of the skin and RamsDOSAGE: 1 teaspoon of a 3.84% solution per 10
disease (whirling disease). Also good for resistantgallons every other day for 10 days. Combines well
strains of Hexamita when combined withwith copper sulfate and malachite green.
Metronidazole.MALACHITE GREEN;
DOSAGE : 250 mg per 10 gallons of water. Once aUSE: For treatment and control of various external
day for 4-5 days. Do a 25% water change beforeparasites of freshwater and marine fishes. When
each treatment.used as directed the medication will control or
OXYTETRACYCLINE HYDROCHLORIDE:prevent the following common protozoan parasites:
USE: Gram-positive and gram-negative bacteria.*Ichthyophthinus (freshwater Ich) exhibited as fine
Marine ulcer disease, cold water disease, bacterial\\\"salt like\\\" white spots that usually first appear
hemorrhagic septicemia (Symptoms: Red streaks inon the fins.
body and fins, or redness in the body. Open sores or*Costia (Ichthyobodo). Not to be confused with ich,
loss of scales) and mouth fungus.is a parasite that can live dormant on healthy fish
DOSAGE: 250- 500 mg teaspoon per 20 gallons every(primarily their gills), then under certain conditions
24 hours with a 50% water change before each(poor water conditions, stress, ECT), reproduce
treatment. This antibiotic is best used mixed in withrapidly. Symptoms of an outbreak include Heavy and
food, especially if your ph is above 8.0..labored \\\"breathing\\\" flashing and rubbing, skin
NITROFURAZONE:cloudiness caused by excess mucus.
USE: Bactericidal for some gram-positive and many*Chilodonella, *Ambiphyra, *Cryptocaryon (marine
gram-negative bacteria causing disease in fresh waterIch), *Epistylis, *Oodinium and Trichodina, *Plistophora
and marine fishes. This antibacterial is effective for(best combined with formalin at 1/2 strength)
control of flexibacter/columnaris- (Symptoms: Fuzzy,Malachite Green is also effective against common
thin, white coating on the body and fins. Looks like aexternal fungal infections of fishes and eggs which
fungus) -works well with Kanamycin for this,include Achlya and Saprolegnia.
Aeromonas (Symptoms: fish have blisters forming onDOSAGE: 1 teaspoon of a 0.038% solution per 10
the skin that are full of a clear to yellowish fluid. Thegallons every other day for 10-14 days. Or 1 drop of
blisters may turn into large sores.), Vibrio and related.50% solution per gallon every other day for 10- 14
species. Nitrofurazone is particularly useful for controldays. 25% water changes are recommended before
of minor topical skin infections of marine fishes thateach dose. Use half dose for scale-less and delicate
have not become systemic. Effective against marinefish such as Clown Loaches and Neon Tetras. Double
ulcer disease and protozoan. Also useful in treatingdose for marine aquariums.
furunculosis found in Koi.Note; malachite green is more toxic at higher ph.
Serious adverse events related to nitrofurans areCan be combined with Formalin or Acriflavin.
very rare. Acquired resistance of bacteria toFORMALIN (3% formaldehyde):
nitrofurans during therapy has been rare and has notUSE: For treatment and control of the diseases
appeared on a significant scale in over 50 years ofcaused by fungi, protozoan and monogenetic
use. Do not use in the presence of invertebrates.trematodes of freshwater and marine aquarium
Nitrofurazone is more effective at lower pH levels.fishes. Formalin will control or help prevent diseases
DOSAGE: 250- 500 mg per 20 gallons. Treat every 24of fishes caused by the following disease organisms:
hours with a 50% water change before each*Ichthyophthirius (freshwater \\\"ich\\\"), *Costia
treatment. Treat for 10 days.(Ichthyobodo), *Chilodonella, *Ambiphyra,
NEOMYCIN SULFATE:*Cryptocaryon (marine \\\"ich\\\"), *Epistylis,
USE: Gram-negative bacteria (Pseudomonas- Open*Oodinium, *Amyloodinium, and *Trichodina.
red sores or ulcerations, fin and tail damage,fins andDOSAGE: 1 teaspoon of a 3% solution per 10 gallons
tail are eaten away, in severe cases, down to theevery other day for 10 days. Combines well with
body- treat with Kanamycin for this) and tuberculosis;malachite green.
gram-positive, and possibly mycobacterium. WorksFormalin can deplete oxygen in an aquarium, so
well in freshwater or saltwater aquariums.consider adding an airstone or a power head with an
DOSAGE: 250 mg per 10 gallons of water. Treatair diffuser.
every 24 hours with a 25% water change beforeCOPPER SULFATE:
each treatment. Treat for 10 days. For tuberculosis,USE: For treatment freshwater and marine ich,
use for up to 30 days.Oodinium, external parasites, fungus and even algae.
METRONIDAZOLE:Very effective when used properly and carefully.
USE: Hole in the head disease (hexamita), chilodonella,DOSAGE: Treat according to your solution to bring
plistophora (parasite disease usually seen in neons andyour copper level to .15 -.20 ppm. Sequestered
cardinals that causes loss of color, darting, andCopper (often called chelated, but that is incorrect,
eventually death), salt water ich, bloat.chelated means inactivated) sulfate works best (citric
DOSAGE: 250-500 mg per 20 gallons. Treat every 24acid help achieve this). Soluble copper salts work well
hours with a 25% water change before eachin freshwater only. Do use with snails and other
treatment. Treat for 10 days.invertebrates, do not use in reef aquariums, and
KANAMYCIN SULFATE;note; when uses as an algaecide, the copper is
USE: It is used to treat many sensitive gramnegativeabsorbed by the algae then released when it dies.
and some grampositive bacteria. Works especially wellRemoval of sequestered copper can be difficult, only
in salt water aquariums. Works well combined withEDTA (Ethylene Diamine Tetra Acidic Acid) and
Nitrofurazone for flexibacter (columnaris) (Symptoms:water changes remove it, NOT carbon.
Fuzzy, thin, white coating on the body and fins.ORGANIC MEDICATIONS:
Looks like a fungus). Also useful forThere are three organic or \\\"homeopathic\\\"
Pseudomonas-Open red sores or ulcerations, fin andtreatments that I have used;
tail damage,fins and tail are eaten away, in severePIMENTA EXTRACT (PIMAFIX);
cases, down to the body. Kanamycin is veryUSE: Pimenta extract is effective for a broad range
effective in high pH applications, especially vibrio,of bacterial and fungal diseases that typically afflict
making it useful for brackish and marine treatments.fish and other aquatic animals. Fish diseases that may
Kanamycin can be effective for whirling disease ,be treated in accordance with this include bacterial
suspected kidney disease and dropsey.fish diseases, such as fin and tail rot, mouth fungus
Kanamycin sulfate appears to prevent bacteria from(often caused by the bacterium Flavobacterium
making their cell walls, so the cells die.columnaris); fungal fish diseases (such as those
DOSAGE: 250-500 mg per 20 gallons. Treat every 48caused by microorganisms of the genera Saprolegnia
hours with a 25% water change before eachand Achyle) and the like.
treatment. Treat for 10 days.Pimafix has also shown effectiveness in the
FOR MORE INFORMATION ABOUT IDENTIFICATIONtreatment of Dropsey caused by aeromonas or
AND TREATMENT OF AEROMONAS, VIBRIO, &pseudomonas (a disease of the Kidneys that causes
SEPTICEMIAbloating and distending of the scales, and is often
ERYTHROMYCIN:fatal).
USE: Fin and tail rot, infections attributed to kidneyDOSAGE: Refer to Pimafix instructions
disease (often not true kidney infections), pop eye.USNEA LICHEN;
Most gram-positive and some gram negative bacteriaUSE; Usnea is a lichen of the family Parmeliaceae that
and fungus. Neon Tetra disease (faded color). Blackgrows in damp temperate woodlands.
Molly disease.I have found it effective for bacterial (generally gram
DOSAGE: 250- 500 mg per 20 gallons every 24 hoursnegative), fungal and even parasites such ich. This
with a 25% water change before each treatment.remedy is still in the testing phase, but early results
Treat for 10 days.are promising. The Usnea Lichen is proving to be the
TRICHLORFON (Dylox)most effective natural remedy early in my testing
Dimethyl (2,2,2,Trichloro-1-Hydroxyethyl)This lichen is boiled like a tea then added to the
Phosphonate:aquarium.
Trichlorfon is an Organophosphate and degradesDOSAGE: None established yet. I boil one small sprig
rapidly (approximately 99% of applied degraded in 2in 6 oz. of water and add this to every 10-20 gallons
hours) in alkaline pond water (pH 8.5) at roomof water every day until cure is effective +2 days
temperature. but remains stable in the same pondMELALUCA TEA (MELAFIX):
water held under acidic (pH 5.0) conditions for 2USE: Repairs damaged fins, ulcers, and open wounds.
hours.Promotes re growth of damaged tissue and fins.
Trichlorfon is very highly toxic to invertebrates.DOSAGE: Refer to Melafix instructions
DO NOT USE ON FISH THAT ARE CHEMICALLYThis is my very basic article, for my Full article that is
SENSITIVE such as: Silver Dollars, Rays, Bala Sharks,updated very regularly, please visit this URL:
Arowanas, Tinfoil Barbs, Hemiodus, Piranha, MostAQUARIUM MEDICATIONS, treatments, how they
Silver Scaled Fish, Marine sharks, Lion Fish.work, and which ones to use and not to use.
See methylene blue if Dylox treatment is not