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Fasigyn (Tinidazole)

Prescription medicineOnly Available By Prescription

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What if I find a lower price with another pharmacy?

We guarantee the lowest price on all of our prescription products. If you find your medications cheaper at any other recognized licensed mail order pharmacy, we will not only match their price, we will beat it by 25% of the difference. It is our 125% price match guarantee!

Example: If you find a product on Canada Drugs Direct for $50.00 and find the same product for $40.00 at another mail order pharmacy, we will provide you with a $12.50 discount, bringing your total to $37.50.

To get the discount please make sure to mention the price match to the customer service team when they call to collect payment for your order. Or call toll free at 1-888-904-8467 to place the order through the phone.

Terms & Conditions of Program

  • Guaranteed lowest price is only valid at the time of sale.
  • We will only match the current advertised price.
  • Products must be identical and in stock at the time of placing an order with a licensed mail order pharmacy. The must be a member of CIPA (Canadian International Pharmacy Association).
  • Products must be authentic in brand and size (same manufacturer, same country of manufacture, same pack size, same strength and same quantity).
  • Products must be new. We cannot match the price of any used, short expiry or expired product.
  • Price match can only be issued over the phone with our customer service team
What is a Generic Drug?

A generic drug is a copy of the brand-name drug with the same dosage, safety, strength, quality, consumption method, performance, and intended use. Before generics become available on the market, the generic company must prove it has the same active ingredients as the brand-name drug and works in the same way and in the same amount of time in the body.

The only differences between generics and their brand-name counterparts is that generics are less expensive and may look slightly different (eg. different shape or color), as trademarks laws prevent a generic from looking exactly like the brand-name drug.

Generics are less expensive because generic manufacturers don't have to invest large sums of money to develop a drug. When the brand-name patent expires, generic companies can manufacture a copy of the brand-name and sell it at a substantial discount.


Fasigyn is a prescription drug that can treat several different infections. It is used to treat the following:

  • Amebiasis in patients three years and older
  • Bacterial vaginosis in non-pregnant adult women
  • Giardiasis in patients three years and older
  • Trichomoniasis

It is generally not recommended to use this drug to treat indications for which it has not been approved.

Fasigyn incorporates itself into the infective organism and damages its DNA (genetic material). Doing so prevents cellular replication and then slows or stops the infection.

Fact Table







Legal status


Chemical Name


Elimination half-life

12-14 hours

Dosage (Strength)



Consult Doctor


Fasigyn, Simplotan, Tindamax

Protein binding


PubChem CID






ATC code






Routes of administration



Take Fasigyn exactly as directed by your prescribing physician. The dosage and duration of treatment will vary depending on what infection is being treated.


The active ingredient in Fasigyn is tinidazole.


Common interactions may include.

  • Alcohol
  • Bacillus clausii
  • BCG (Intravesical)
  • BCG Vaccine
  • Cholera Vaccine
  • Disulfiram
  • Immune Checkpoint Inhibitors
  • Lactobacillus and Estriol
  • Sodium Picosulfate
  • Typhoid Vaccine


Tell your doctor if you have a history of liver problems or blood diseases before starting this drug.

Do not take Fasigyn longer than prescribed by your physician.

Tell your doctor if you are pregnant or planning to become pregnant.

Use caution if you have a history of seizure disorders.

Side Effects

Common side effects may include:

  • Abdominal cramps
  • Abdominal pain
  • Angioedema
  • Anorexia
  • Arthralgia
  • Arthritis
  • Asthenia
  • Ataxia
  • Bitter taste
  • Bronchospasm
  • Burning sensation
  • Candidiasis
  • Coma
  • Confusion
  • Constipation
  • Dark urine
  • Decreased appetite
  • Depression
  • Diaphoresis
  • Diarrhea
  • Dizziness
  • Drowsiness
  • Dysgeusia
  • Dyspepsia
  • Dyspnea
  • Dysuria
  • Epigastric discomfort
  • Erythema multiforme
  • Fatigue
  • Fever
  • Flatulence 
  • Flushing
  • Hairy tongue
  • Headache
  • Heavy menstrual bleeding
  • Hypersensitivity reaction
  • Increased serum transaminases
  • Increased thirst
  • Insomnia
  • Leukopenia
  • Malaise
  • Metallic taste
  • Myalgia
  • Nausea
  • Neutropenia
  • Oral candidiasis
  • Palpitations
  • Pelvic pain
  • Peripheral neuropathy
  • Pharyngitis
  • Pruritus
  • Salivation
  • Seizure
  • Skin rash
  • Stevens-Johnson syndrome
  • Stomatitis
  • Thrombocytopenia
  • Tongue discoloration
  • Upper respiratory tract infection
  • Urinary tract infection
  • Urine abnormality
  • Urticaria
  • Vaginal discharge
  • Vertigo
  • Vomiting
  • Vulvovaginal candidiasis
  • Vulvovaginal disease
  • Xerostomia


Tinidazole [package insert]. San Antonio, TX: Mission Pharmacal Company; 2004.

IMPORTANT NOTE: The above information is intended to increase awareness of health information and does not suggest treatment or diagnosis. This information is not a substitute for individual medical attention and should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. See your health care professional for medical advice and treatment.

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