Warnings are a mix of Precautions. Contraindications and interactions and serious harmful effects associated with the medicine intake. A diabetic or Hypertensive patient need to be warned about few drug interactions. A known hypersensitivity patient needs to be careful about the reactions or anaphylactic shock. A pregnant woman or a breastfeeding woman should be warned of certain medications. A Hepatitis [liver disease] patient or a cardiac patient should avoid few drugs.
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Admin IV inj very slowly to avoid direct stimulation of the CNS and CVS. Cardiac failure, hypertension, epilepsy, hyperthyroidism, history of peptic ulcer disease, renal or hepatic dysfunction, glaucoma, DM, severe hypoxaemia, chronic alcoholism, acute febrile illness. On influenza immunization or active influenza infection, COPD and cor pulmonale. Smokers may need higher dose. Pregnancy, lactation, children and elderly.
References
DailyMed. "THEOPHYLLINE: DailyMed provides trustworthy information about marketed drugs in the United States. DailyMed is the official provider of FDA label information (package inserts).". https://dailymed.nlm.nih.gov/dailyme... (accessed September 17, 2018).
