1. bactrim
   baridium
2. belladonna
   bismuth subsalicylate

Can't find Pepto? Bismuth subsalicylate's got you covered -- it's the same thing.

1. Advil
   Midol
2. Motrin
   all of these are

The brands Advil, Midol and Motrin are the same as the generic pain reliever, ibuprofen.

1. Allegra
   Claritin
2. Singulair
   Zyrtec

Claritin was the prescription your doctor gave you for an antihistamine before the drug -- loratadine -- began being sold over the counter. Alavert and Dimetapp ND are also loratadine.

1. yes, those meds aren't the same
   no, they're the same thing
2. no, but the dose is wrong

Tylenol and acetaminophen are pain relievers and fever reducers -- and they're the same thing.

1. Fortamet
   Glucophage
2. Glumetza
   all of these

Metformin, a commonly-prescribed anti-diabetic medication, has several brand names, including these three.

1. Aleve
   Celebrex
2. Cymbalta
   Demerol

The nonsteroidal anti-inflammatory drug naproxen, which is brand name Aleve, can help reduce pain, stiffness and swelling associated with arthritis and gout, as well as general aches and pains such as headaches and menstrual cramps.

1. Mi-Acid Double Strength
   Mylanta Ultra
2. Rolaids
   all of these

There's a selection of over-the-counter indigestion medications, including Mi-Acid Double Strength, Mylanta Ultra and Rolaids, that contain a combination of calcium carbonate and magnesium hydroxide.

1. Bengay
   Deep Heat
2. Icy Hot
   Vicks VapoSteam

Bengay, Deep Heat and IcyHot all contain methyl salicylate and menthol, but Vicks VapoSteam's active ingredient is camphor.

1. esomeprazole
   lansoprazole
2. omeprazole
   ranitidine

Omeprazole is the generic form of the popular proton pump inhibitor Prilosec. Omeprazole reduces the amount of acid in your stomach and is commonly used to treat gastroesophageal reflux disease (GERD).

1. Citrucel
   Colace
2. Dulcolax
   Metamucil

Bisacodyl USP is the same active ingredient as the brand name laxative Dulcolax.

1. carbinoxamine
   chlorpheniramine
2. diphenhydramine
   doxylamine

Tylenol PM is a combination of the pain reliever acetaminophen and the sleep-inducing diphenhydramine, which is an antihistamine.

1. alprazolam
   diazepam
2. lorazepam
   triazolam

Valium is an often-prescribed benzodiazepine that can ease the symptoms of short-term anxiety caused by anxiety disorders.

1. Afrin
   Albalon
2. Sudafed
   Visine

Oxymetazoline is a topical decongestant sold under the brand name Afrin. This nasal congestion spray started out as a prescription medication back in 1966 before it became over-the-counter.

1. Robitussin
   Mucinex
2. Guaifenex
   Tamiflu

Robitussin, Mucinex and Guaifenex, among others, are expectorants, but Tamiflu (oseltamivir) is an antiviral used to treat influenza.

1. Tagamet
   Pepcid
2. Zantac
   none of these

Ranitidine is what's known as a histamine-2 blocker. When it comes to its antacid abilities, it's known as the heartburn-reliever Zantac. Pepcid, generic famotidine, is usually used to treat or prevent stomach ulcers, as well as heartburn. And Tagamet, generic cimetidine, can help stop or slow down stomach acid production.

1. Transderm-Scop
   Sea-Legs
2. Phenergan
   Dramamine

Dimenhydrinate is the generic form of the antiemetic Dramamine, taken for treating or preventing the dizziness, nausea and vomiting associated with motion sickness.

1. Abilify
   Ativan
2. Haldol
   Xanax

Lorazepam, a type of benzodiazepine, is used to treat anxiety disorders, seizure disorders, among other conditions. It's the generic name for the anti-anxiety medication Ativan.

1. enoxaparin
   lovenox
2. heparin
   warfarin

Coumadin is primarily used to treat and prevent blood clots. Many drugs -- and even some foods -- can interact with this blood thinner, so it's important to know it by all its names to avoid interaction. It's generic name? Warfarin.

1. Lexapro
   Pristiq
2. Prozac
   Zoloft

Fluoxetine is a type of antidepressant known as a selective serotonin reuptake inhibitor (SSRI), known as the commonly-prescribed brand name Prozac.

1. buprenorphine
   cannabis
2. fentanyl
   lidocaine

The Lidoderm transdermal patch delivers the same analgesic as the generic lidocaine transdermal patch 5 percent.

1. benzocaine
   dexamethasone
2. phenol
   valacyclovir

Phenol is often used in antiseptics and in disinfectants -- and its smell might remind you of a hospital. Additionally, it's used as a throat-numbing spray, as the generic form of Chloraseptic.

1. senna
   magnesium hydroxide
2. lactulose
   glycerin

It turns out that the suspension of magnesium hydroxide in water is a milky white color, which is where the name "milk of magnesia" comes from.

1. Anbesol
   Blistex
2. Orajel Maximum Strength
   all of these

Benzocaine is the same as the brand names Anbesol, Blistex and Orajel, as well as an ingredient in other topical analgesics, like Cēpacol.

1. Retin-A
   Renova
2. Refissa
   Metrocream

Tretinoin is also known as the brand names Retin-A, Renova and Refissa, among others. It's a vitamin A derivative that's used to reduce fine lines and pigmentation on aging faces. Metrocream, or metronidazole, is a topical antibiotic that's often used to treat rosacea.

1. cetirizine
   cyclizine
2. diphenhydramine
   hydroxyzine

Diphenhydramine may best be known as the antihistamine, Benadryl, used to treat allergic reactions including seasonal allergies and hives.

1. acetaminophen
   dextromethorphan
2. pheniramine
   phenylephrine

TheraFlu Cold is a combination of three generic drugs: acetaminophen, pheniramine and phenylephrine. Dextromethorphan is a cough suppressant found in Robitussin.

1. Caldecort
   Cortaid
2. Cortizone
   all of these

Topical hydrocortisone creams are sold under the brand names Caldecort, Cortaid and Cortizone, among many others.

1. atorvastatin
   lovastatin
2. rosuvastatin
   simvastatin

If your cholesterol-lowering prescription is refilled with rosuvastatin, you're taking the same active ingredient as the brand name Crestor.

1. Ex-Lax
   Metamucil
2. MiraLax
   Nature's Remedy

Psyllium is known as the bulk-forming laxative Metamucil. It works by absorbing liquids in your intestines, which bulks up your stool.

1. bupropion
   orlistat
2. varenicline
   Zyban doesn't have a generic version

Zyban is actually a repackaging of the antidepressant Wellbutrin, also known by the generic name bupropion. Varenicline, the other medication approved to help you quit smoking, is known as Chantix.

1. Abreva
   Emtriva
2. Luvox
   Valtrex

Docosanol is the common over-the-counter cold sore treatment Abreva, used to shorten healing time.

1. Actonel
   Boniva
2. Fosamax
   Reclast

Alendronate, also known as the brand name Fosamax, is a class of medication used to treat thinning bones and to prevent bone loss caused by osteoporosis.

1. Diflucan
   Lamisil
2. Lotrimin
   Monistat

Terbinafine is also known as the over-the-counter antifungal medication, Lamisil. It's commonly used to treat athlete's foot, "jock itch" and ringworm.

1. Botox
   Excederin
2. Imitrex
   Maxalt

Sumatriptan, commonly known by its brand name Imitrex, relieves migraine pain as well as other associated symptoms, such as nausea and light sensitivity.

1. Tapazole
   Synthroid
2. Inderal
   Cytomel

Levothyroxine is a synthetic version of T4, a hormone that's produced by your thyroid gland, and if you have a sluggish thyroid you may know it as the brand name Synthroid.