What is this pill? It is yellow and oval. On one side it says 36/01. The other side has a v shaped symbol mixed with a check.

http://media.cornerdrugstore.com/dru...9/acet006m.jpg

ACETAMINOPHEN-HYDROCODONE 325mgs. 5mgs.(Lortab(R) Elixir) is a combination of two different types of pain medicine and is used to treat moderate to severe pain.

Complete Acetaminophen/Hydrocodone Tablets information from Drugs.com

I cannot guarantee that this is true. You should always make sure that you confirm this with a medical professional. Taking unidentified pills can be hazardous!

You can also look it up yourself on Prescription Drug Information, Side Effects, Interactions - Drugs.com to verify the drug by photo.

You can call Poison Control but they will want to know where you got the pill. You didn't say, but where did you get a pill that wasn't in a bottle?
You don't have to answer... I am just wondering.