Pill Side Effects

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Stop using this medication and call your doctor at once if you have any of these serious side effects:
fast, pounding, or uneven heartbeat;

confusion, hallucinations, unusual thoughts or behavior;

severe dizziness, anxiety, restless feeling, or nervousness;

urinating less than usual or not at all;

easy bruising or bleeding, unusual weakness, fever, chills, body aches, flu symptoms;

increased blood pressure (severe headache, blurred vision, trouble concentrating, chest pain, numbness, seizure); or

nausea, stomach pain, low fever, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes).

Less serious side effects may include:

blurred vision;

dry mouth;

nausea, stomach pain, constipation;

mild loss of appetite;

dizziness, drowsiness, headache;

problems with memory or concentration;

ringing in your ears;

restlessness or excitability (especially in children);

warmth, tingling, or redness under your skin;

cold feeling in your hands or feet;

sleep problems (insomnia); or

skin rash or itching.

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Call your doctor at once if you have any of these serious side effects:
nosebleed or other bleeding that will not stop;

black, bloody, or tarry stools;

coughing up blood or vomit that looks like coffee grounds;

chest pain or heavy feeling, pain spreading to the arm or shoulder, nausea, sweating, general ill feeling;

sudden numbness or weakness, especially on one side of the body;

sudden headache, confusion, problems with vision, speech, or balance;

fever, chills, body aches, flu symptoms; or

pale skin, easy bruising or bleeding, weakness, fever, and urinating more or less than usual.

Less serious side effects may also occur, such as:

nausea, stomach pain;

runny or stuffy nose, cough, sore throat; or

mild headache or dizziness.

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Stop using chlorpheniramine and methscopolamine and call your doctor at once if you have any of these serious side effects:
problems with balance or coordination;

severe drowsiness, feeling light-headed, fainting;

extreme thirst and hot, dry skin;

breathing problems;

easy bruising or bleeding, unusual weakness;

fever, chills, body aches, flu symptoms;

fast or uneven heart beats;

tight feeling in your chest;

seizure (convulsions);

hallucinations (seeing things that are not there); or

tremors.

Continue using this medication and talk with your doctor if you have any of these less serious side effects:

dry mouth, stomach pain, changes in appetite;

drowsiness, dizziness, weakness, headache;

dry eyes, blurred vision;

painful or difficult urination;

increased sweating;

skin rash; or

feeling nervous or excited (especially in children).

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Tell your doctor right away if you have any of these serious side effects:
twitching, or uncontrollable movements of your eyes, lips, tongue, face, arms, or legs;

tremor (uncontrolled shaking), drooling, trouble swallowing, problems with balance or walking;

feeling restless, jittery, or agitated;

slow, shallow breathing, feeling like you might pass out;

increased blood pressure (severe headache, blurred vision, trouble concentrating, chest pain, numbness, seizure);

pain, burning, severe irritation, muscle weakness, or skin changes where the injection was given;

confusion, hallucinations, hysteria, seizure (black-out or convulsions);

fast or slow heartbeats;

fever, chills, body aches, flu symptoms;

urinating less than usual or not at all;

easy bruising or bleeding, unusual weakness; or

jaundice (yellowing of the skin or eyes).

Less serious side effects may include:

drowsiness, dizziness, tired feeling;

ringing in your ears;

problems with balance or coordination;

blurred vision;

feeling nervous or shaky;

sleep problems (insomnia);

skin rash or itching;

dry mouth, stuffy nose;

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Stop using this medication and call your doctor at once if you have a serious side effect such as:
fast, pounding, or uneven heartbeat;

nausea, stomach pain, low fever, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes); or

easy bruising or bleeding, unusual weakness, fever, chills, body aches, flu symptoms.

Less serious side effects may include:

dry eyes, nose, and mouth;

drowsiness or dizziness;

blurred vision;

urinating less than usual; or

feeling restless or excited (especially in children).

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Call your doctor at once if you have a serious side effect such as:
chest pain, fast or pounding heartbeats;

pale or yellowed skin, dark colored urine, fever, confusion or weakness;

mood changes, confusion, anxiety;

tremors or shaking;

easy bruising or bleeding;

sore throat, body aches, flu symptoms; or

pain or swelling in one or both legs.

Less serious side effects may include:

mild nausea, vomiting, upset stomach;

loss of appetite;

headache; or

hair loss.

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Stop using this medication and call your doctor at once if you have a serious side effect such as:
fast, pounding, or uneven heartbeat;

nausea, stomach pain, low fever, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes); or

easy bruising or bleeding, unusual weakness, fever, chills, body aches, flu symptoms.

Less serious side effects may include:

dry eyes, nose, and mouth;

drowsiness or dizziness;

blurred vision;

urinating less than usual; or

feeling restless or excited (especially in children).

Get emergency medical help if you have any of these signs of an allergic reaction: hives; severe stomach pain; difficulty breathing; swelling of your face, lips, tongue, or throat. Call your doctor at once if you have any of these serious side effects:
feeling light-headed, fainting;

urinating more or less than usual, or not at all;

fever, chills, body aches, flu symptoms;

pale skin, easy bruising or bleeding;

severe blistering, peeling, and red skin rash;

tired feeling, muscle weakness, and pounding or uneven heartbeats;

chest pain;

swelling, rapid weight gain; or

jaundice (yellowing of the skin or eyes).

Less serious side effects may include:

cough;

muscle pain;

dizziness, drowsiness, headache;

nausea, vomiting, diarrhea; or

mild skin itching or rash.

Some people receiving an abatacept injection have had a reaction to the infusion (when the medicine is injected into the vein). Tell your caregiver right away if you feel dizzy, light-headed, itchy, or have a severe headache or trouble breathing within 1 hour after receiving the injection. Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Serious infections may occur during treatment with abatacept. Stop using abatacept and call your doctor right away if you have signs of infection such as:
fever, sweating, chills, tired feeling;

feeling short of breath;

dry cough, sore throat; or

flu symptoms, weight loss.

Call your doctor at once if you have any of these other serious side effects:
trouble breathing;

easy bruising or bleeding, pale skin, unusual weakness;

pain or burning when you urinate; or

signs of skin infection such as itching, swelling, warmth, redness, or oozing.

Less serious side effects may include:

headache, dizziness;

cold symptoms such as stuffy nose, sneezing, sore throat, cough;

nausea, diarrhea, stomach pain, indigestion; or

back pain.

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Stop using this medication and call your doctor at once if you have any of these serious side effects:
fast, pounding, or uneven heartbeat;

severe dizziness, anxiety, restless feeling, or nervousness;

easy bruising or bleeding, unusual weakness, fever, chills, body aches, flu symptoms;

increased blood pressure (severe headache, blurred vision, trouble concentrating, chest pain, numbness, seizure); or

nausea, stomach pain, low fever, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes).

Less serious side effects may include:

blurred vision;

dry mouth;

dizziness, drowsiness, headache;

problems with memory or concentration;

ringing in your ears;

restless or excitability (especially in children);

warmth, tingling, or redness under your skin;

sleep problems (insomnia);

skin rash or itching; or

mild nausea, stomach pain, constipation.