42 42 Geigy (Constant-T 200 mg)
Generic Name: theophylline
Pill imprint 42 42 Geigy has been identified as Constant-T 200 mg.
Constant-T is used in the treatment of asthma, maintenance; asthma, acute; apnea of prematurity and belongs to the drug class methylxanthines. Risk cannot be ruled out during pregnancy. Constant-T 200 mg is not subject to the Controlled Substances Act.
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