It could be. This depends on how severe the reaction was, and if there are permanent effects from the reaction. Technically, a doctor, nurse, pharmacist or other healthcare professional in the Roanoke area can commit malpractice but no lawsuit may result because the harm suffered by the victim may not support the costs associated with prosecution of a medical malpractice case.
So, the extent of the injury to the victim is the biggest factor in determining whether a suit may be brought.
If you have been injured under the care of a physician or while in the hospital, why not speak to a highly experienced Medical Negligence Lawyer in Roanoke, for free. Call me at 540-777-4900 or toll-free at 1-877-471-3353 if the fall is long distance.