Simple categories matching otc:

• market,
• antihistamine,
• item,
• drug,
• medication,
• preparation,
• remedy,
• painkiller,
• analgesic,
• agent,
• product,
• nsaid,
• medicine,
• decongestant,
• pharmaceutical,

Members with property otc:

• acne_medication,
• aspirin,
• ibuprofen,
• allergy_medication,
• lidocaine,
• narcotic_analgesic,
• blood_thinner,
• zantac,
• antihistamine,
• expectorant,
• acetaminophen,
• antacid,
• antibiotic,
• foreign_exchange,
• ketoprofen,
• nuprin,
• benadryl,
• diphenhydramine,
• dimenhydrinate,
• antidiabetic,
• prescription_medication,
• motrin,
• naproxen,
• rhinitis_remedy,
• robitussin,
• pain_medication,
• illicit_drug,
• tylenol,
• naproxen_aleve,
• sore-throat_remedy,
• advil,
• remedy,
• painkiller,
• nsaid,
• cold_tablet,
• tablet,
• pain_reliever,
• herbal_remedy,
• kava,
• antihistamine_tablet,
• sinus_remedy,
• prescription_laxative,
• ibuprofen_motrin,
• motion-sickness_remedy,
• diphenhydramine_benadryl,
• omeprazole,
• acid,
• allergy_medicine,
• sedative,
• papaverine,
• topical_antiseptic,
• decongestant,
• barbiturate,
• acetaminophen_tylenol,
• cold_remedy,
• insulin,
• digestive_remedy,
• diarrhea_tablet,
• anxiolytic,
• sudafed,
• throat_lozenge,
• band,
• mild_laxative,
• antipyretic,
• piroxicam,
• ibuprofen_advil,
• analgesic,
• topical_analgesic,
• dimetapp,
• allergy_pill,
• nasal_decongestant,
• dramamine,
• diuretic,
• laxative,
• minor_analgesic,
• tylenol_acetaminophen,
• blood-pressure_medication,
• antidepressant,
• aleve,
• meclizine,
• gastrointestinal_product,
• external_analgesic,