Common symptoms include: 1  Pain in your neck. 2  Headaches. 3  Pain in your shoulder, arm, or hand.  Reduced range of motion in your 1  neck. Numbness, weakness, and slower reflexes in your arms, hands,legs, or feet.  Problems walking including a spastic 1  gait. Muscle weakness in your  legs.
Efavirenz can cause side effects such as mood or behavior changes. These symptoms may improve the longer you take the medication. Taking efavirenz at bedtime may also lessen these effects. Contact your doctor if you have more serious symptoms such as severe depression or thoughts of hurting yourself.isit your doctor regularly. This medication can cause you to have a false positive drug-screening test. If you provide a urine sample for drug-screening, tell the laboratory staff that you are taking efavirenz. Store at room temperature away from moisture and heat.
Tramadol comes as a tablet and an extended-release (long-acting) tablet to take by mouth. The regular tablet is usually taken with or without food every 4-6 hours as needed. The extended-release tablet should be taken once a day. Take the extended-release tablet at about the same time of day every day, and either always take it with food or always take it without food. Take tramadol exactly as directed. Do not take more medication as a single dose or take more doses per day than prescribed by your doctor.