Does Effexor cause acid reflux? (+3 tips)

In this blog post, we will answer the question “Does Effexor cause acid reflux?. We will also discuss what factors can contribute to acid reflux while on Effexor and how to manage symptoms if acid reflux occurs.

Does Effexor cause acid reflux?

Yes, Effexor (Venlafaxine) can cause acid reflux or heartburn. However, people respond differently to different medications. Some individuals may feel mild heartburn while some may not. If you are experiencing heartburn or acid reflux while on Effexor therapy be sure to rule out other factors that may be responsible. Effexor has been found to help with antidepressant-mediated gastroesophageal reflux disease (GERD) (1).

If acid reflux is from Effexor, the side effect may subside after a few days when your body adjusts to the medication. Most gastrointestinal (GI) side effects do not stay for more than a week after initiation of treatment.

What does research suggest?

Research studies have mixed results regarding the effect of Effexor on the GI effects an individual experiences. Some studies claim that Venlafaxine helps manage GI symptoms of acid reflux and GERD, while others refute this claim and say that this medication is a cause of GI disturbances in patients.

A research study assessing antidepressant-mediated GERD states that Effexor may be a much better option for individuals who experience GERD symptoms. Patients treated with citalopram, escitalopram and tricyclic antidepressants (TCAs) showed GERD symptoms, which remained unresolved with dosage changes. Effexor was substituted for the antidepressant medication and omeprazole was added to manage GERD (1).

One clinical study assessed the effects of Venlafaxine, Esomeprazole and Mosapride treatment on acid reflux, heartburn and GERD patients. The findings of this study made it clear that the efficacy of this combination of medications is better for patients with concomitant anxiety, depression and GERD symptoms (2).

Another study did not support the same findings and reports that Venlafaxine is not very beneficial for patients with concomitant depressive disorders and digestive issues. This study showed a similar effect of the medication compared to placebo treatment (3).

What factors can contribute to acid reflux while on Effexor?

Although Venlafaxine, other SNRIs or SSRIs may or may not directly contribute to acid reflux or heartburn, there are many factors which can increase acid reflux whether or not you are on the medication. One main factor is the dysfunction of the lower oesophagal sphincter. If this happens stomach acid can flow back into your oesophagus (4).

Individuals’ history of acid reflux, GERD or previous experience with any gastric issues can also make the patient more prone to such effects. Make sure to consult your healthcare provider and rule out any such factor.

Sometimes lifestyle and dietary habits are the cause of such side effects. Smoking, alcohol intake or having spicy foods can make you more susceptible to acid reflux. A sedentary lifestyle especially lying down right after a meal can also be a culprit.

How to manage acid reflux while taking Effexor?

If you experience this effect while on Effexor therapy then the following strategies can help you manage your acid reflux symptoms:

OTC medications

Medications like Omeprazole, Cimetidine or Antacids like milk of magnesia, which are considered to reduce stomach acid can be taken to alleviate your symptoms.

Don’t take medication on an empty stomach

If you feel that Effexor is the cause of your symptoms then it is advised not to take the medication on an empty stomach. Although there is no specific guideline for taking Effexor with or without food, taking it with food may help some people manage their gastric issues.

Avoid trigger foods

You should avoid foods that tend to induce or worsen reflux. Avoiding spicy foods and citrus fruits or juices can be beneficial in this regard. Alcohol and caffeine both increase the symptoms of acid reflux, making it worse. So it is advised to limit intake of caffeine and alcohol to manage symptoms. Fatty and fried should also be limited to avoid heartburn and acid reflux.

Lifestyle modifications

If you have a sedentary lifestyle and are overweight, consider adding exercise to your daily routine. An adequate amount of exercise can help with symptoms of acid reflux while on Effexor. Also, you should not immediately go to bed after a meal. Waiting for a few hours before you lie down is important because it gives your stomach some time to digest the food.

Smoking has been found to increase acid reflux and worsen its symptoms. So quitting smoking can have a beneficial effect on the symptoms of heartburn and acid reflux as well as being favourable for overall health.

Speak to your doctor or pharmacist

It is important to speak to your doctor or pharmacist regarding your symptoms. There may be some underlying conditions increasing your acid reflux, and your healthcare provider can assess and provide you with a better strategy to manage your symptoms.

Conclusion

In this article, we answered the question “Does Effexor cause acid reflux?”. We also discussed what factors can contribute to acid reflux and how to manage its symptoms while taking Effexor. Even though Effexor does not primarily cause acid reflux in everyone, it can occur in some individuals and can be managed through appropriate guidance and strategies.

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References

1.-

Brahm NC, Kelly-Rehm MC. Antidepressant-mediated gastroesophageal reflux disease. The Consultant pharmacist: the journal of the American Society of Consultant Pharmacists. 2011 Apr;26(4):274-8. https://pubmed.ncbi.nlm.nih.gov/21486738/

2.-

Peng, J.-C & Li, Y.-Z & Lian, H.-Y. (2009). Efficacy of Venlafaxine in treatment of non-erosive gastroesophageal reflux disease with depression and anxiety. World Chinese Journal of Digestology. 17. 2508-2511.  https://www.researchgate.net/publication/287641602_Efficacy_of_Venlafaxine_in_treatment_of_non-erosive_gastroesophageal_reflux_disease_with_depression_and_anxiety

3.-

Van Kerkhoven LA, Laheij RJ, Aparicio N, De Boer WA, Van Den Hazel S, Tan AC, Witteman BJ, Jansen JB. Effect of the antidepressant venlafaxine in functional dyspepsia: a randomized, double-blind, placebo-controlled trial. Clinical Gastroenterology and Hepatology. 2008 Jul 1;6(7):746-52. https://www.sciencedirect.com/science/article/abs/pii/S1542356508001584

4.-

Clarrett DM, Hachem C. Gastroesophageal reflux disease (GERD). Missouri medicine. 2018 May;115(3):214. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6140167/

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