Subramycin Doxycycline Multivitamin & Multimineral [A-Z junior infusion preparation]
ModerateMultivitamin & Multimineral [A-Z junior infusion preparation] contains thiamine, riboflavin, pyridoxine, niacinamide and ascorbic acid. These vitamins have been reported to weaken the effect of doxycycline, along with erythromycin and lincomycin.
These medicines are often taken together with some care. Your doctor may change a dose, space them apart or check on you more often. Make sure your doctor and pharmacist know you take both.