Depends: Fat soluble vitamin a and d overdose can cause severe headaches. The headaches can progress to a more serious condition called pseudotumor cerebri if the overdose continues. Overdose of b and c vitamins do less harm cause they are peed out.
Answered 9/28/2018
5.2k views
A doctor has provided 1 answer
4 doctors weighed in across 2 answers
5 doctors weighed in across 2 answers
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question