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Infectious Disease Medications Online (Antibiotics, Antivirals & More)

Polar Bear Meds stocks one of the most comprehensive selections of prescription infectious disease treatments available through a certified Canadian pharmacy, with direct shipping to the United States. Whether your prescriber has written a prescription for an antibiotic, an antiviral, an antifungal, an antimalarial, or an antiparasitic, you can fill and refill your prescription here at significantly lower prices than US retail. A licensed pharmacy dispenses every medication, and a valid prescription is required for all prescription items. Browse the full product list below, then upload your prescription at checkout to get started.

Infectious Disease Medications Available at Polar Bear Meds

All products below are dispensed by a licensed Canadian pharmacy. A valid prescription is required for every prescription item. Prices shown reflect our price-match guarantee.

MedicationActive IngredientCategoryStarting Price
AmoxicillinAmoxicillinAntibiotic$44.95
AugmentinAmoxicillin/ClavulanateAntibiotic$53.95
KeflexCephalexinAntibiotic$24.95
ZithromaxAzithromycinAntibiotic$36.00

Can't find your medication? Contact our pharmacy team, and we will work to source it for you. We currently list over 189 infectious disease products.


About Infectious Disease Medications

Infectious disease treatments span several distinct drug classes, each targeting a different type of pathogen. Your prescriber selects the appropriate class based on the type of infection, your medical history, and local resistance patterns.

Antibiotics

Antibiotics treat bacterial infections and are available in several classes through Polar Bear Meds, including penicillins (amoxicillin, ampicillin), cephalosporins (cephalexin, cefuroxime, ceftriaxone), macrolides (azithromycin, clarithromycin), tetracyclines (doxycycline, minocycline), and fluoroquinolones (ciprofloxacin, levofloxacin, moxifloxacin).

Always complete the full course your prescriber has written, even if you feel better before it is finished. Stopping early can allow the infection to return and contributes to antibiotic resistance.

Antivirals

Antiviral medications are used to manage infections caused by viruses, not bacteria. The antivirals stocked at Polar Bear Meds cover:

Antifungals, Antimalarials, and Antiparasitics

How to Order

  1. Select your medication from the product grid above and add it to your cart.
  2. Check out and choose your shipping option. Most infectious disease medications ship via standard packaging; any temperature-sensitive items are shipped in cold-chain packaging.
  3. Submit your prescription by uploading it on-site, or by emailing, faxing, or mailing a copy. Our pharmacy team reviews every prescription before dispensing.
  4. Receive your order at your US address. Standard delivery takes 2 to 4 weeks from prescription approval. Expedited options are available at checkout.

Why Patients Choose Polar Bear Meds

Frequently Asked Questions

Yes. All prescription medications in this category require a valid prescription from a licensed healthcare provider. After placing your order, you can upload, email, fax, or mail your prescription to us. Our pharmacy team verifies it before anything is dispensed or shipped.

Only with a prescription from your prescriber. For international travel to high-risk destinations, your doctor may issue standby antibiotics or antimalarial prophylaxis. Order well before your departure date to allow for the standard 2 to 4 week delivery window.

Generic antivirals contain the same active ingredient at the same strength as the brand-name version and must meet the same quality and purity standards. For example, generic valacyclovir contains the same active ingredient as Valtrex but is available at a lower price. Your prescriber or pharmacist can confirm whether a generic is appropriate for your prescription.

Yes. Polar Bear Meds stocks combination HIV regimens including Dovato and Triumeq, as well as hepatitis B antivirals such as entecavir (Baraclude). Hepatitis C direct-acting antivirals are also available and require a prescription and specialist oversight.

Many US residents purchase personal-use quantities of prescription medications from licensed Canadian pharmacies. Polar Bear Meds operates as a certified Canadian pharmacy and requires a valid prescription for every prescription order. We recommend reviewing current FDA guidance on international pharmacy purchases and consulting your healthcare provider before ordering.

Ordering Infectious Diseases medications from Polar Bear Meds

We currently list 7 infectious diseases products. Every order is dispensed by a licensed pharmacy and shipped to your door in the United States, with our price-match guarantee on every item. Cannot find your medication? Browse all categories, search by drug name, or contact our team and we will source it for you.

This information is provided for general education and does not replace advice from your doctor or pharmacist. Always follow the directions on your prescription.

Price matching guarantee certificate

We offer competitive pricing on all our medications. We'll match if you find a lower price on an identical product at a verified Canadian online pharmacy!

Eligibility Criteria:

  • The competitor's price must be active (no past/future sales).
  • It is only valid for Canadian online pharmacies with a verifiable address.
  • The product must match the strength, pack size, quantity, manufacturer & origin.
  • There are no price matches on used/expired medications.
  • You must submit your requests before placing an order.
  • We cannot adjust prices after purchase.
  • Request via live chat or phone before placing your order.

Need help? Call our friendly support team at 1-888-779-2193 or fill out the Contact Form