Can Venlafaxine ER cause any side effects?

Can Venlafaxine ER cause any side effects?

Venlafaxine ER is a member of the class of medications known as serotonin-norepinephrine reuptake inhibitors (SNRIs), which are commonly prescribed to treat anxiety and depression disorders. Even though it can be very helpful in controlling symptoms, it's important to be aware of any possible adverse effects that might arise while receiving treatment.

The serotonin syndrome. Serotonin syndrome is a potentially fatal condition that can arise from taking Venlafaxine ER. When Venlafaxine ER is taken with specific other medications, the chance of developing serotonin syndrome increases.

If you experience any of the following serotonin syndrome signs and symptoms, stop taking Venlafaxine ER and immediately contact your doctor or the emergency room of the closest hospital.

• agitation

• perceiving or hearing unreal phenomena (hallucinations)

• confusion

• coma

• fast heartbeat

• changes in blood pressure

• dizziness

• sweating

• flushing

• high body temperature (hyperthermia)

• tremors, stiff muscles, or muscle twitching

• loss of coordination

• seizures

• nausea, vomiting, and diarrhea

Blood pressure increases: Before beginning treatment with Venlafaxine ER and regularly after that, your healthcare provider should take your blood pressure. Before beginning Venlafaxine ER treatment, it should be under control if you have high blood pressure.

Increased bleeding risk: Combining Venlafaxine ER with blood thinners, aspirin, or non-steroidal anti-inflammatory medications (NSAIDs) may increase bleeding risk. Notify your doctor right away if you experience any unexpected bleeding or bruises.

Eye issues: Angle-closure glaucoma is one kind of eye issue that Venlafaxine ER may induce. If an examination of your eyes is necessary to determine whether you are at risk, you should take preventive measures. If you experience eye pain, changes in your vision, or swelling or redness in the area around your eyes, make an appointment with your doctor.

Manic episodes: Those with bipolar disorder who take Venlafaxine ER may experience manic episodes.

The following symptoms could be present:

• greatly increased energy

• severe trouble sleeping

• racing thoughts

• reckless behavior

• unusually grand ideas

• excessive happiness or irritability

• talking more or faster than usual

Discontinuation syndrome: If you stop taking Venlafaxine ER suddenly, you could experience severe side effects.Perhaps your doctor would like to taper off your dosage gradually. Possible symptoms include:

• dizziness

• nausea

• headache

• Irritation and agitation

• problems sleeping

• diarrhea

• anxiety

• tiredness

• abnormal dreams

• sweating

• confusion

• changes in your mood

• seizures

• electric shock sensation (paresthesia)

• hypomania

• ringing in your ears (tinnitus)

Low blood sodium levels: Venlafaxine ER treatment may cause low blood sodium levels. Your blood may be seriously low in sodium, which can be fatal. Perhaps older people are more vulnerable to this. Symptoms and indicators of low blood sodium levels can include:

• headache

• difficulty concentrating

• memory changes

• confusion

• weakness and unsteadiness in your feet, which can lead to falls.

Signs and symptoms of severe or more abrupt cases include:

• hallucinations (depicting or hearing unreal objects)

• fainting

• seizures

• coma

• respiratory arrest

Sexual problems (dysfunction): Using selective serotonin reuptake inhibitors (SNRIs), such as Venlafaxine ER, can lead to sexual dysfunction.

Male symptoms could include:

• Failure to ejaculate on time or without sufficient time

• A decline in libido 

• Difficulties achieving or maintaining an erection

In females, symptoms could be:

• A reduction in the inclination to participate in sexual activities

• A postponed or absent orgasm

The following are the most common Venlafaxine ER side effects:

• nausea

• sleepiness

• dry mouth

• sweating

• male and female sexual problems

• constipation

• loss of appetite (anorexia)

These are not the only side effects of Venlafaxine ER that could occur.

For medical advice regarding side effects, give your doctor a call.