It takes three to five hours for the effects of novocaine and other local dental anesthetics to wear off completely, according to Jonathan G. Campbell, D.D.S. The tooth remains numb for one to two hours, while the tongue... More »

Engaging in activity, such as walking, makes Novocaine and other local dental anesthetics wear off more quickly, according to Jonathan G. Campbell, D.D.S., of Legacy Dental. The numbness these anesthetics cause dissipate... More »

Caffeine has a half-life of three to five hours in a person's system, so it remains in the body for eight to 14 hours, according to the American Academy of Sleep Medicine. The effects of caffeine in the blood system peak... More »

Engaging in activity, such as walking, makes Novocaine and other local dental anesthetics wear off more quickly, according to Jonathan G. Campbell, D.D.S., of Legacy Dental. The numbness these anesthetics cause dissipate... More »

Some of the side effects associated with Novocaine, a local anesthetic typically used during dental procedures, include head pain and chills, notes WebMD. Less common side effects include nausea, dizziness, vomiting, dro... More »

www.reference.com Health Medications & Vitamins Side Effects

The side effects for Zantac, the brand name for ranitidine hydrochloride, may last up to 8 hours, according Everyday Health. Side effect longevity is dependent on the overall health of the individual, notes Drugs.com. De... More »

www.reference.com Health Medications & Vitamins Side Effects

Side effects when using DMSO as a topical cream or lotion are generally mild and include a strong garlic-like taste appearing in a patient's mouth for several hours, states Healthline. Patients could also give off a simi... More »

www.reference.com Health Medications & Vitamins Side Effects