Anxiety Medication: Side Effects and Concerns

Anxiety issues?

Hello Doctor, I am an anxiety patient.
My primary physician prescribed me a dosage of 30 mg of Cymbalta, and it has been three days since I started taking it.
I am still experiencing a rapid heartbeat and a tingling sensation throughout my body, which feels cool, as well as coldness in my calves.
I am unsure what this means.
Could you please clarify whether this is a reaction to the medication or an allergy?

Cai Xiaojie, 30~39 year old female. Ask Date: 2016/04/17

Dr. Liu Runqian reply Psychiatry

Based on the symptoms you described, they seem more related to anxiety.
Antidepressants and anxiolytics require some time to take effect, so I recommend that you continue taking the medication as prescribed.
If you suspect that the symptoms may be due to side effects of the medication, it is advisable to discuss this with a qualified psychiatrist.

Reply Date: 2016/04/17

More Info

When it comes to managing anxiety disorders, medication can play a significant role in alleviating symptoms. However, it is essential to understand the potential side effects and interactions of these medications, as well as how they may affect your overall well-being. In your case, you mentioned being prescribed "千憂解" (which is likely a brand name for an antidepressant such as venlafaxine or a similar medication) at a dosage of 30 mg. You are experiencing symptoms such as a rapid heartbeat, tingling sensations, and a feeling of coolness in your legs, which can understandably be concerning.

Firstly, it's important to recognize that many anxiety medications, particularly those that are classified as selective serotonin reuptake inhibitors (SSRIs) or serotonin-norepinephrine reuptake inhibitors (SNRIs), can cause side effects during the initial period of treatment. Common side effects include increased heart rate, dizziness, tingling sensations, and gastrointestinal disturbances. These side effects can occur as your body adjusts to the medication, and they may subside over time. However, if these symptoms persist or worsen, it is crucial to consult your prescribing physician.

The rapid heartbeat you are experiencing could be a result of the medication's stimulating effects on the central nervous system. This is not uncommon, especially in the early stages of treatment. The tingling sensations and feeling of coolness in your legs may also be related to the medication's effects on your nervous system. These symptoms can sometimes be indicative of peripheral neuropathy, which is a less common side effect. However, it is essential to differentiate between side effects of the medication and symptoms of an underlying condition.

Regarding your concerns about a possible allergic reaction, true allergic reactions to medications typically present with symptoms such as rash, itching, swelling, or difficulty breathing. If you are not experiencing these symptoms, it is less likely that you are having an allergic reaction. However, if you have any doubts or if your symptoms escalate, it is crucial to seek medical attention immediately.

It is also worth noting that anxiety medications can interact with other medications or substances, which can exacerbate side effects. For example, combining these medications with alcohol or certain over-the-counter medications can increase the risk of adverse effects. Always inform your doctor about all medications, supplements, and substances you are taking to avoid potential interactions.

In conclusion, while it is common to experience side effects when starting a new anxiety medication, it is essential to monitor your symptoms closely. If your symptoms do not improve or if you experience any alarming changes, do not hesitate to reach out to your healthcare provider. They may consider adjusting your dosage, switching medications, or exploring alternative treatment options. Remember, managing anxiety is a collaborative process, and open communication with your healthcare team is vital for finding the most effective treatment plan for your needs.

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