Alternatives & Substitutes
Alternative medications and substitute options when you can't fill your prescription.
1372 articles
Alternatives to Phenylephrine If You Can't Fill Your Prescription
The FDA ruled oral phenylephrine ineffective for nasal congestion. Here are the best alternatives — from pseudoephedrine to oxymetazoline and Flonase — in 2026.
Alternatives to Seasonique If You Can't Fill Your Prescription
Can't fill your Seasonique prescription? Explore the best alternatives — from AB-rated generics to other extended-cycle and non-pill birth control options.
Alternatives to Atacand If You Can't Fill Your Prescription
Can't fill your Atacand prescription? Here are the most effective alternatives to candesartan — similar ARBs and other blood pressure medications your doctor may consider.
Alternatives to Caverject If You Can't Fill Your Prescription
If your Caverject prescription can't be filled, you have real options. Here are the best alternatives to alprostadil injection for erectile dysfunction in 2026.
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Alternatives to Flurazepam If You Can't Fill Your Prescription
Can't find flurazepam at your pharmacy? Here are the best clinically reviewed alternatives your doctor may consider, from temazepam to zolpidem and beyond.
Alternatives to Glycopyrronium If You Can't Fill Your Prescription
Can't fill your glycopyrronium prescription? Explore clinician-approved alternatives for each indication — COPD, hyperhidrosis, drooling, and peptic ulcers.
Alternatives to Istalol If You Can't Fill Your Prescription
Can't find Istalol in stock? Learn about the best glaucoma eye drop alternatives — latanoprost, brimonidine, dorzolamide, and more — that your doctor can prescribe.
Alternatives to Oxazepam If You Can't Fill Your Prescription
Can't fill your Oxazepam prescription? Explore clinically reviewed alternatives including lorazepam, diazepam, and non-benzodiazepine options your doctor may consider.
Alternatives to Polymyxin B/Trimethoprim If You Can't Fill Your Prescription
If Polymyxin B/Trimethoprim (Polytrim) is out of stock near you, here are the best alternatives your doctor may prescribe for bacterial eye infections in 2026.
Alternatives to Primaquine If You Can't Fill Your Prescription
Can't fill your primaquine prescription? Learn which antimalarial alternatives exist, what each one does, and how they compare to primaquine for your situation.
Alternatives to ProAir If You Can't Fill Your Prescription
If ProAir is out of stock or you need a different rescue inhaler, these alternatives work similarly. Learn which options your doctor can prescribe instead.
Alternatives to Rifampin If You Can't Fill Your Prescription
Can't get rifampin? Rifabutin, rifapentine, and isoniazid may be options depending on your condition. Learn which alternative your doctor might consider in 2026.