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Published on: 10/26/2026

Vesicare Side Effects: Dry Mouth, Constipation and Memory Questions

Vesicare (solifenacin) commonly causes dry mouth, constipation, and blurred vision because it blocks the same nerve signals that drive overactive bladder, and in some people, especially older adults, it may also contribute to confusion, memory lapses, or brain fog. Dose, how long you have taken it, kidney or liver function, and other anticholinergic medications you use all change how likely and how serious these effects become, so there are several important factors to consider before assuming your symptoms are harmless or permanent. Certain warning signs, including severe constipation with abdominal pain, inability to urinate, rapid heartbeat, or sudden disorientation, need prompt medical attention rather than watchful waiting. See the details below to understand which effects typically fade, which ones tend to persist, and when a medication review makes sense.

If you are unsure whether your dry mouth, bowel changes, or memory concerns are drug related or something else entirely, a free, instant, online symptom check can help you organize your symptoms and understand which next steps and questions to raise with your prescriber.

Last reviewed for medical accuracy: 10/22/2026

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Explanation

Vesicare Side Effects: Dry Mouth, Constipation and Memory Questions

Vesicare (generic name: solifenacin) is a prescription medication commonly used to treat overactive bladder symptoms such as frequent urination, urgency and leakage. As with any drug, Vesicare side effects can occur. Understanding what to expect—and when to seek help—can help you use the medication safely and comfortably.

How Vesicare Works

Vesicare belongs to a class of drugs called antimuscarinics (or anticholinergics). It relaxes the smooth muscles of your bladder by blocking a neurotransmitter (acetylcholine). This reduces unwanted bladder contractions and gives you more control over urination.

Because it affects cholinergic pathways throughout the body, Vesicare’s impact isn’t limited to your bladder. Some of the most common side effects involve the mouth, digestive tract and even cognitive function.

Common Vesicare Side Effects

Dry Mouth

Dry mouth (xerostomia) is one of the most frequently reported side effects. This happens because salivary glands require acetylcholine to produce saliva, and Vesicare inhibits that signal.

Signs you may notice:

  • Sticky or dry feeling in the mouth
  • Increased thirst
  • Difficulty swallowing or chewing
  • Cracked lips

Tips to manage dry mouth:

  • Sip water regularly throughout the day.
  • Chew sugar-free gum or suck on ice chips.
  • Use a saliva substitute spray or lozenge.
  • Avoid caffeine, alcohol and tobacco, which can worsen dryness.
  • Maintain good oral hygiene to prevent dental issues.

Constipation

Anticholinergic drugs can slow gastrointestinal motility, leading to constipation. If your bowel movements become less frequent or stools become hard and difficult to pass, you may be experiencing this side effect.

Ways to ease constipation:

  • Increase dietary fiber (whole grains, fruits, vegetables).
  • Drink plenty of fluids—aim for at least 8 glasses of water daily.
  • Stay active: regular walking or light exercise can help stimulate your bowels.
  • Consider a mild over-the-counter stool softener or fiber supplement (check with your pharmacist or doctor first).
  • Establish a routine: try to have a bowel movement at the same time each day.

Other Possible Side Effects

While dry mouth and constipation are the most common, Vesicare can sometimes cause:

  • Blurred vision or dry eyes
  • Headache
  • Dizziness or drowsiness
  • Heartburn or indigestion
  • Urinary tract infection (possibly due to incomplete bladder emptying)

Most of these are mild to moderate and may improve over the first few weeks as your body adjusts. If they persist or worsen, discuss them with your healthcare provider.

Memory and Cognitive Concerns

There is growing interest in the potential cognitive effects of anticholinergic medications, especially in older adults. Acetylcholine is important for memory, attention and learning. Blocking its activity in the brain can, in some cases, lead to:

  • Mild confusion
  • Trouble concentrating
  • Short-term memory lapses

Most people taking Vesicare do not experience significant cognitive changes. However, if you or a loved one notices new memory issues, increased forgetfulness or mental fog, it’s important to:

  1. Review other medications you’re taking—many over-the-counter sleep aids and allergy pills also have anticholinergic activity.
  2. Speak openly with your doctor about whether Vesicare may be contributing.
  3. Consider dosage adjustments or alternative therapies if cognitive effects become bothersome.

When to Be Concerned

While most side effects are manageable, some symptoms warrant prompt medical attention:

  • Severe dry mouth causing difficulty speaking or swallowing
  • No bowel movement for more than three days, accompanied by abdominal pain or bloating
  • Rapid heart rate, chest pain or palpitations
  • Fainting, severe dizziness or vision changes
  • New or worsening confusion, memory loss or disorientation
  • Signs of a serious urinary tract infection—high fever, back pain or blood in the urine

If you experience any of these, contact your doctor right away or seek emergency care.

Tips for Safe Use

To get the most benefit from Vesicare while minimizing side effects:

  • Take Vesicare exactly as prescribed, usually once daily with water.
  • Avoid sudden dose changes or stopping the drug without your doctor’s guidance.
  • Keep a symptom diary to track bladder control, side effects and any cognitive changes.
  • Stay hydrated, maintain a balanced diet and stay active—lifestyle measures often complement medication.
  • Review all your medications and supplements with your pharmacist or doctor to watch for interactions.

Check Your Symptoms Online

Not sure if your symptoms are related to Vesicare? You might consider a free, online symptom check, using the doctor approved Ubie Symptom Checker. This tool can help you sort through symptoms and decide if you need to see a healthcare professional.

Talking with Your Doctor

Always keep an open dialogue with your healthcare provider. Bring up any concerns about Vesicare side effects, including:

  • The severity and duration of dry mouth or constipation
  • Any memory lapses or changes in thinking
  • Other medications, herbal remedies or over-the-counter products you’re taking

Together, you can weigh the benefits of symptom relief against any potential side effects. Your doctor may adjust your dose, suggest lifestyle strategies or explore alternative treatments.

Key Takeaways

  • Vesicare is effective for overactive bladder but can cause anticholinergic side effects such as dry mouth and constipation.
  • Mild memory or concentration issues are possible, especially if you’re sensitive to anticholinergics.
  • Manage common side effects with hydration, dietary changes and routine habits.
  • Watch for red-flag symptoms (severe dryness, prolonged constipation, confusion) and seek medical attention if they occur.
  • Use online tools like the Ubie Symptom Checker to help decide if you need further care.
  • Always speak to a doctor about any serious or life-threatening concerns and before making changes to your medication.

Your comfort and safety matter. If Vesicare side effects become problematic, don’t hesitate to reach out to your healthcare team for guidance and support.

(References)

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  • * Kreder KJ. Solifenacin. Urol Clin North Am. 2006 Nov;33(4):483-90, ix. doi: 10.1016/j.ucl.2006.06.008. PMID: 17011384.

  • * Araklitis G, Thiagamoorthy G, Hunter J, Rantell A, Robinson D, Cardozo L. Anticholinergic prescription: are healthcare professionals the real burden? Int Urogynecol J. 2017 Aug;28(8):1249-1256. doi: 10.1007/s00192-016-3258-3. Epub 2017 Jan 13. PMID: 28091711.

  • * Ramsay S, Bolduc S. Overactive bladder in children. Can Urol Assoc J. 2017 Jan-Feb;11(1-2Suppl1):S74-S79. doi: 10.5489/cuaj.4337. PMID: 28265325; PMCID: PMC5332242.

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  • * Vibegron (Gemtesa) for overactive bladder. Med Lett Drugs Ther. 2021 May 3;63(1623):67-69. PMID: 33976098.

  • * Welk B, Richardson K, Panicker JN. The cognitive effect of anticholinergics for patients with overactive bladder. Nat Rev Urol. 2021 Nov;18(11):686-700. doi: 10.1038/s41585-021-00504-x. Epub 2021 Aug 24. PMID: 34429535.

  • * Drugs for benign prostatic hyperplasia. Med Lett Drugs Ther. 2022 May 2;64(1649):65-69. PMID: 35471226.

  • * Drugs for overactive bladder. Med Lett Drugs Ther. 2023 Mar 20;65(1672):41-45. doi: 10.58347/tml.2023.1672a. PMID: 36897601.

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