Nearest Match / Not Medical Advice:
A white, round-shape pill with T 1 2 7 imprint has been identified as Chlorpheniramine maleate and phenylephrine hydrochloride 4 mg / 10 mg.
Chlorpheniramine/phenylephrine belongs to the group of drugs called 'upper respiratory combinations'.
Chlorpheniramine is an antihistamine that reduces the effects of natural chemical histamine in the body. Histamine can produce symptoms of sneezing, itching, watery eyes, and runny nose.
Phenylephrine is a decongestant that shrinks blood vessels in the nasal passages.
Check out some Housecleaning Tips to Ease Allergies, shared by WebMD.