Do not administer by IM, SC, intrathecal or IP inj. Discontinue if patient has 5-7 days w/o significant apnoeic attack. Apnoea. Measure baseline plasma caffeine conc prior to initiation of treatment in newborn infants whose mother consumed large quantities of caffeine prior to delivery, & in newborns previously treated w/ theophylline. Extreme caution in newborns w/ seizure disorders. Known CV disease; unusual rhythm disturbances on a cardiotocograph (CTG) trace before delivery. GERD. Development of necrotising enterocolitis. Diuresis & electrolyte loss. Higher energy & nutrition requirements. Renal & hepatic impairment in preterm newborn infants. Pregnancy. Breastfeeding women should not ingest caffeine-containing foods & beverages, or drugs containing caffeine. Very premature infants (<28 wk gestational age &/or body wt <1,000 g).