Pill Imprint LP 4191
This blue and gray capsule-shape pill with imprint LP 4191 on it has been identified as: Synalgos-dc 356.4 MG-30 MG-16 MG.
This medicine is known as Synalgos-DC (generic name: aspirin/caffeine/dihydrocodeine). It is available as a prescription only medicine and is commonly used for Pain.