Alternatives to Mebendazole If You Can't Fill Your Prescription

Mebendazole (brand name: Emverm) is a highly effective antiparasitic medication — but it's also one of the hardest to find and afford in the United States right now. With retail prices exceeding $4,000 for a typical course and no generic version commercially available, many patients find themselves needing an alternative. The good news: there are several effective options depending on the type of worm infection you have.

Always talk with your doctor or pharmacist before switching medications. The best alternative for you depends on the specific worm causing your infection, your age, your other medications, and your health history.

What Mebendazole Treats (And Why That Matters for Alternatives)

Mebendazole (Emverm) is FDA-approved to treat four intestinal worm infections in patients age 2 and older:

• Pinworm (Enterobius vermicularis) — the most common intestinal worm in the US, especially in children
• Roundworm (Ascaris lumbricoides)
• Hookworm (Ancylostoma duodenale and Necator americanus)
• Whipworm (Trichuris trichiura)

Not every alternative medication works equally well for all four types. Knowing your specific infection helps your doctor choose the right substitute.

Alternative #1: Pyrantel Pamoate (OTC) — Best for Pinworm and Hookworm

For patients with pinworm infections, pyrantel pamoate is the most accessible alternative — it's available over the counter without a prescription under brand names like Pin-X and Reese's Pinworm Medicine. It typically costs $8 to $15 and can be found at most major pharmacies and grocery stores.

Pyrantel pamoate works by paralyzing the worms, causing them to be expelled in the feces. It is effective for pinworm and hookworm infections, and it is approved for use in children over 2 years of age. It is not considered effective against whipworm or roundworm.

Typical dose: 11 mg/kg as a single dose (max 1 gram). A second dose is recommended after 2 weeks to prevent reinfection by hatched eggs.

Best for: Pinworm (enterobiasis), hookworm

Alternative #2: Albendazole (Albenza) — Broad-Spectrum Coverage

Albendazole is in the same drug class as mebendazole (both are benzimidazoles) and works through a similar mechanism: blocking glucose uptake in parasites. It is effective against all four types of intestinal worms that mebendazole treats, and it has the additional benefit of being better absorbed systemically — making it the preferred choice when the infection has spread outside the digestive tract.

Generic albendazole is available in the United States, which makes it significantly more affordable than brand-name Emverm. With GoodRx or similar discount cards, a course of treatment for pinworm (two 200 mg tablets) can cost $37 to $150, compared to thousands for Emverm. Cash price without discounts can range from $480 to $545 for a full course.

Typical dose: 400 mg (two 200 mg tablets) as a single dose for pinworm; 400 mg once daily for 3 days for other worm infections.

Best for: Pinworm, roundworm, hookworm, whipworm — and tissue-invasive infections like hydatid disease and neurocysticercosis

Note: Albendazole also has stocking challenges at some pharmacies. Always verify availability before visiting. Use medfinder to check which pharmacies near you have albendazole in stock if needed.

Alternative #3: Ivermectin (Stromectol) — For Certain Roundworm Infections

Ivermectin is a prescription antiparasitic medication that works by a completely different mechanism — it disrupts nerve and muscle function in parasites. It is primarily used for strongyloidiasis and onchocerciasis, but is also effective off-label for certain roundworm infections. Generic ivermectin is available in the US, making it relatively affordable.

Ivermectin is not FDA-approved for pinworm, whipworm, or hookworm, so it would generally only be considered as an alternative when the specific infection is appropriate for its use.

Best for: Strongyloidiasis, roundworm (Ascaris) in some cases

Side-by-Side Comparison

Here's a quick comparison to help you discuss options with your doctor:

• Mebendazole (Emverm): Prescription required | $4,287+ retail, $5 with savings program | Treats pinworm, roundworm, hookworm, whipworm
• Pyrantel Pamoate (Pin-X): OTC, no prescription | $8–$15 | Primarily pinworm and hookworm
• Albendazole (Albenza): Prescription required | $37–$545 (generic available) | Pinworm, roundworm, hookworm, whipworm, plus tissue infections
• Ivermectin (Stromectol): Prescription required | Generic available | Strongyloidiasis, some roundworm

What to Ask Your Doctor

When discussing alternatives with your doctor, consider asking:

• "Based on my specific infection, which alternative would work best for me?"
• "Is pyrantel pamoate (OTC) appropriate for my infection type?"
• "Can you prescribe albendazole or ivermectin as a substitute?"
• "Are there any reasons to avoid these alternatives based on my medical history or other medications?"

Still Want to Try Mebendazole First?

If you'd prefer to try filling your mebendazole prescription before switching to an alternative, medfinder can call pharmacies in your area to find which ones have it in stock. See our guide on how to find mebendazole near you for a full step-by-step approach.