Should tadalafil (CIALIS) be discontinued in a patient with benign prostatic hyperplasia who presents with hematuria?

Should CIALIS be Held for BPH When Patient Has Hematuria?

No, tadalafil (CIALIS) does not need to be discontinued solely because of hematuria in a patient with BPH. The FDA label for CIALIS does not list hematuria as a contraindication or warning requiring discontinuation, and the drug does not have anticoagulant properties that would worsen bleeding 1.

Key Clinical Reasoning

FDA Label Guidance

The CIALIS prescribing information does not identify hematuria as a reason to discontinue therapy 1. The warnings and precautions focus on:

• Cardiovascular contraindications with nitrates
• Hypotension risk with alpha-blockers
• Priapism
• Vision and hearing loss
• Need to evaluate other urological conditions before initiating BPH treatment 1

Notably absent is any mention of bleeding or hematuria as a safety concern.

The Real Issue: Evaluate the Hematuria Source

The FDA label specifically states: "Prior to initiating treatment with CIALIS for BPH, consideration should be given to other urological conditions that may cause similar symptoms" 1. This principle applies equally when hematuria develops during treatment.

Your immediate priority is to determine the cause of hematuria, not to reflexively stop tadalafil:

• Rule out bladder cancer (especially in patients >35 years with risk factors)
• Rule out urinary tract infection
• Rule out nephrolithiasis
• Assess for prostatic bleeding from BPH itself

Prostatic Bleeding in BPH

Hematuria from BPH is caused by friable hypervascularity of the enlarged prostate, not by medications like tadalafil 2. In fact, research shows that 5α-reductase inhibitors (finasteride/dutasteride) can effectively treat prostatic bleeding by reducing prostate vascularity 2. If the hematuria is confirmed to be from prostatic bleeding, consider adding a 5α-reductase inhibitor rather than stopping tadalafil 3, 4.

Clinical Algorithm

1. Continue tadalafil while investigating hematuria etiology
2. Complete hematuria workup: urinalysis with culture, cytology, imaging (CT urogram or renal ultrasound with bladder scan), cystoscopy if indicated
3. If prostatic bleeding confirmed: Add finasteride 5 mg or dutasteride 0.5 mg daily (shown to reduce prostatic bleeding) 2
4. If other pathology identified: Treat accordingly; tadalafil continuation depends on that specific diagnosis
5. Only discontinue tadalafil if: Patient develops a true contraindication per FDA label (nitrate use, severe hypotension, priapism, NAION) 1

Important Caveats

• Tadalafil does not cause or worsen bleeding—it is not an anticoagulant
• The combination of tadalafil with alpha-blockers carries hypotension risk but not bleeding risk 3, 1
• Gross hematuria always requires investigation regardless of medications
• If hematuria is severe enough to cause hemodynamic instability or clot retention requiring catheterization, temporarily hold all non-essential medications during acute management, but this is a general resuscitation principle, not specific to tadalafil

The bottom line: Hematuria is not a reason to stop CIALIS for BPH. Investigate the bleeding source and treat accordingly while continuing effective BPH therapy.