An oval yellow pill with the imprint TL 121 on the front is 25mg of Meclizine (made by Cadista).
Meclizine is a anticholinergic antiemetic that is used to treat vertigo, motion sickness, and nausea/vomiting (in simple terms, Meclizine is an antihistamine that reduces the effects of histamine in the body).
Meclizine, is also sold as Sea Legs, Postafen, Dramamine, Antivert, Bonamine, and Bonine.
There is a low risk of abuse with this drug.
This medication is not proven to be a risk to an unborn fetus.
MedicineNet offers some tips on antihistamines.
MedicineNewsToday is reporting that antihistamines may actually help fight cancer!