4H2 Pill: Uses, Dosage, Side Effects, Addiction
What kind of pills are white with 4H2? Pill 4h2 is a white, oval elliptical tablet containing 10 milligrams of a non-sedating antihistamine that works by blocking histamine (H-1) receptors known as cetirizine. Histamine is a substance responsible for many of the signs and symptoms that accompanies allergic reactions, for example, swelling of the lining […]