Talk to your provider if you notice your chest pain starts to get worse. Be sure to follow your provider's instructions about when to take isosorbide mononitrate (Monoket). Tolerance is more likely to happen if you don't take your dose at the same time every day. This is called tolerance, and it cannot be fixed by raising the dose of the medication. Your body can get used to isosorbide mononitrate (Monoket), and the same amount of medication might no longer work as well as it used to. Talk to your provider if you continue to feel dizzy or have a fast heart rate a week after starting isosorbide mononitrate (Monoket). Change positions slowly until your body is used to the medication. Some people feel dizzy or fall when changing positions, such as going from sitting to standing. Contact your provider right away if you feel as if you are going to pass out and are experiencing an irregular heartbeat, nausea, vomiting, changes in vision, more sweating, or cold and clammy skin. Taking erectile dysfunction medications or drinking alcohol while taking isosorbide mononitrate (Monoket) can cause your blood pressure to get dangerously low, which can be life-threatening. Risk factors: Using erectile dysfunction medications | Age greater than 65 years | Alcohol use.You may report side effects to the FDA at 1-80. If you notice any other effects, check with your healthcare professional.Д¬all your doctor for medical advice about side effects. Other side effects not listed may also occur in some patients. White patches in the mouth, tongue, or throat Uncontrolled twisting movements of the neck

Terrifying dreams causing sleep disturbances Stomach bloating, burning, cramping, or pain Small clicking, bubbling, or rattling sounds in the lung when listening with a stethoscope Redness, swelling, or soreness of the tongue Redness, pain, swelling of the eye, eyelid, or inner lining of the eyelid Redness of the face, neck, arms, and occasionally, upper chest Pain or tenderness around the eyes and cheekbones Loss in sexual ability, desire, drive, or performance Increased sensitivity of the eyes to sunlight Vomiting of blood or material that looks like coffee groundsД¬ontinuing ringing or buzzing or other unexplained noise in the earsДull ache or feeling of pressure or heaviness in the legsД®xcess air or gas in the stomach or intestinesДЇeeling of constant movement of self or surroundings Trembling or shaking of the hands or feet Swelling of the face, fingers, feet, or lower legs Shakiness in the legs, arms, hands, or feet Pain, tension, and weakness upon walking that subsides during periods of rest Pain or discomfort in the arms, jaw, back, or neck Numbness or tingling in the hands, feet, or lips Itching, pain, redness, or swelling on the leg Your provider might temporarily have you stop isosorbide mononitrate (Monoket) if this happens.Д«urning, crawling, itching, numbness, prickling, 'pins and needles', or tingling feelingsДizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting positionДЇast, slow, irregular, pounding, or racing heartbeat or pulse You can develop a tolerance to isosorbide mononitrate (Monoket) over time, which means the dose you've been taking doesn't work as well. Never take extra doses or stop taking it suddenly unless your provider tells you to do so. You need to take it every day in order for it to work. Isosorbide mononitrate (Monoket) is not a medication you take if you think you are having a heart attack.

Let your provider know if you are using any medications for erectile dysfunction before you start taking isosorbide mononitrate (Monoket). It can cause your blood pressure to become dangerously low. It can make you really dizzy.Д®rectile dysfunction medications (e.g., sildenafil (Viagra), vardenafil (Levitra), tadalafil (Cialis)) cannot be taken while you're taking isosorbide mononitrate (Monoket).

Let your provider know if they are excessive.Дon't drink alcohol while taking isosorbide mononitrate (Monoket). Headaches can be a sign that the medicine is working, and they might lessen with continued use of the medication. Changing positions slowly can help lessen dizziness.

Isosorbide mononitrate (Monoket) can cause headaches, dizziness, or lightheadedness.

Isosorbide mononitrate er