Without a Prescription

Tinidazole is an antiinfective. Tinidazole is prescribed to treat amebiasis, vaginosis, giardiasis, trichomoniasis. Tinidazole will not work for colds, flu, or other viral infections.
Tinidazole is prescribed to treat trichomoniasis (a sexually transmitted disease that can affect men and women), giardiasis (an infection of the intestine that can cause diarrhea, gas, and stomach cramps), and amebiasis (an infection of the intestine that can cause diarrhea, gas, and stomach cramps and can spread to other organs such as the liver).
Tinidazole is in a class of drugs called antiprotozoal agents.
Tinidazole works by killing the organisms that can cause infection.


Tinidazole is contraindicated if you have any of the following conditions:
- Anemia or other blood disorders;
- If you frequently drink alcohol containing drinks;
- Receiving hemodialysis;
- Seizure disorder;
- An unusual or allergic reaction to Tinidazole, other drugs, foods, dyes, or preservatives;
- Pregnant or trying to get pregnant;
- Breast-feeding;
- Tell your doctor and pharmacist if you are allergic to Tinidazole, metronidazole (Flagyl), or any other medications.
- Tell your doctor and pharmacist what prescription and nonprescription medications, vitamins, nutritional supplements, and herbal products you are taking. Be sure to mention any of the following: anticoagulants ('blood thinners') such as warfarin (Coumadin) antifungals such as fluconazole (Diflucan), itraconazole (Sporanox), and ketoconazole (Nizoral) carbamazepine (Tegretol) cimetidine (Tagamet) clarithromycin (Biaxin) cyclosporine (Neoral, Sandimmune) danazol (Danocrine) delavirdine (Rescriptor) dexamethasone (Decadron) diltiazem (Cardizem, Dilacor Tiazac) erythromycin (E.E.S., E-Mycin, Erythrocin) ethosuximide (Zarontin) fluorouracil (Adrucil ) fluoxetine (Prozac, Sarafem) fluvoxamine (Luvox) fosphenytoin (Cerebyx) HIV protease inhibitors such as indinavir (Crixivan) and ritonavir (Norvir) isoniazid (INH, Nydrazid) lithium (Lithobid) metronidazole (Flagyl) nefazodone (Serzone) oral contraceptives (birth control pills) oxytetracycline (Terramycin) phenobarbital (Luminal, Solfoton) phenytoin (Dilantin) rifabutin (Mycobutin) rifampin (Rifadin, Rimactane) tacrolimus (Prograf) troglitazone (Rezulin) troleandomycin (TAO) verapamil (Calan, Covera, Isoptin, Verelan) and zafirlukast (Accolate). Also tell your doctor if you are taking disulfiram (Antabuse) or have stopped taking it within the past 2 weeks. Your doctor may need to change the doses of your medications or monitor you carefully for side effects.
- If you are taking cholestyramine (Questran), you should not take it at the same time that you take Tinidazole. Ask your doctor or pharmacist how to space doses of these medications.
- Tell your doctor if you have a yeast infection now if you are being treated with dialysis (mechanical removal of waste in patients with kidney failure) or if you have or have ever had seizures or nervous system, blood, or liver disease.
- Tell your doctor if you are pregnant or plan to become pregnant. If you become pregnant while taking Tinidazole, call your doctor. Do not breastfeed while you are taking Tinidazole and for 3 days after you finish your treatment.


Do not take Tinidazole with any of the following drugs:
- Alcohol or any product that contains alcohol;
- Amprenavir oral solution;
- Disulfiram;
- Paclitaxel injection;
- Ritonavir oral solution;
- Sertraline oral solution;
- Sulfamethoxazole-trimethoprim injection;
- Cholestyramine;
- Cimetidine;
- Conivaptan;
- Cyclosporin;
- Fluorouracil;
- Fosphenytoin, phenytoin;
- Ketoconazole;
- Lithium;
- Phenobarbital;
- Tacrolimus;
- Warfarin;

Side Effects

Tinidazole side effects that you should report to your health care professional or doctor as soon as possible:
- Allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue;
- Breathing problems;
- Confusion, depression;
- Dark or white patches in the mouth;
- Feeling faint or lightheaded, falls;
- Fever, infection;
- Numbness, tingling, pain or weakness in the hands or feet;
- Pain when passing urine;
- Seizures;
- Unusually weak or tired;
- Vaginal irritation or discharge;
- Vomiting;
- Dark brown or reddish urine;
- Diarrhea;
- Headache;
- Loss of appetite;
- Metallic taste;
- Nausea;
- Stomach upset;
- Sharp unpleasant metallic taste;
- Upset stomach;
- Vomiting;
- Loss of appetite;
- Constipation;
- Stomach pain or cramps;
- Headache;
- Tiredness or weakness;
- Dizziness;
- Seizures;
- Numbness or tingling of hands or feet;
- Rash;
- Hives;
- Swelling of the face throat tongue lips eyes hands feet ankles or lower legs;
- Hoarseness;
- Difficulty swallowing or breathing;
Without Prescription (2017)