Selegiline

Many medications can cause side effects. A side effect is an unwanted response to a medication when it is taken in normal doses. Side effects can be mild or severe, temporary or permanent.

The side effects listed below are not experienced by everyone who takes Selegiline. If you are concerned about side effects, discuss the risks and benefits of Selegiline with your doctor.

The following side effects have been reported by at least 1% of people taking Selegiline. Many of these side effects can be managed, and some may go away on their own over time.

Contact your doctor if you experience these side effects and they are severe or bothersome. Your pharmacist may be able to advise you on managing side effects.

• abdominal or stomach pain
• anxiety
• back or leg pain
• blurred or double vision
• body ache
• burning of lips, mouth, or throat
• chills
• Constipation
• decreased sexual ability
• Diarrhea
• dizziness or lightheadedness, especially when rising from a lying or sitting position
• drowsiness
• Dry Mouth
• feeling faint
• headache
• high or Low Blood Pressure
• inability to move
• increased sensitivity of skin to light
• increased sweating
• irritability (temporary)
• loss of appetite
• memory problems
• mood changes
• muscle pain
• nausea
• nervousness
• numbness of fingers or toes
• pounding or fast heartbeat
• ringing or buzzing in ears
• slowed movements
• taste changes
• trouble sleeping
• unusual feeling of well-being
• unusual tiredness or weakness
• unusual weight loss
• urination changes (e.g., increased need to urinate at night, slow, difficult or frequent urination)
• vivid dreams
• vomiting

Although most of the side effects listed below don't happen very often, they could lead to serious problems if you do not seek medical attention.

Check with your doctor as soon as possible if any of the following side effects occur:

• difficulty breathing (e.g., tightness in chest, wheezing)
• confusion
• hallucinations (hearing, seeing, or feeling things that aren't actually there)
• increase in unusual movements of body (e.g., twisting movements of body; uncontrolled chewing movements; uncontrolled movements of face, neck, back, arms, or legs)
• irregular heartbeat
• lip smacking or puckering
• loss of balance control
• puffing of cheeks
• rapid or worm-like movements of tongue
• restlessness or desire to keep moving
• signs of bleeding disorder (bloody or black, tarry stools, vomiting of blood or material that looks like coffee grounds, blood in urine)
• signs of Depression (loss of interest in activities, sleeping too much, difficulty sleeping, eating more or less than usual, difficulty concentrating)
• swelling of feet or lower legs

Get medical help immediately if any of the following signs of extremely high blood pressure occur (caused by the use of Selegiline with certain foods or medications):

• chest pain (severe)
• enlarged pupils
• fast or slow heartbeat
• headache (severe)
• increased sensitivity of eyes to light
• increased sweating (possibly with Fever or cold, clammy skin)
• nausea and vomiting (severe)
• stiff or sore neck

Stop taking the medication and seek immediate medical attention if any of the following occur:

• chest pain
• convulsions (seizures)
• difficulty opening mouth, or lockjaw
• difficulty breathing (e.g., tightness in chest, wheezing)
• dizziness (severe) or fainting
• fast or irregular pulse (continuing)
• high fever
• high or low blood pressure
• increased sweating (possibly with fever or cold, clammy skin)
• severe headache
• severe spasm where the head and heels are bent backward and the body is arched forward
• shortness of breath, wheezing, difficult breathing
• signs of a Anaphylaxis (severe allergic reaction) (e.g., Hives; difficulty breathing; or swelling of the mouth, lips, tongue, or throat; peeling, blistering skin)

Some people may experience side effects other than those listed. Check with your doctor if you notice any symptom that worries you while you are taking Selegiline.