Because there is little to no evidence of the possibility of unfavorable side effects, it is reasonable to assume that therapy with ED tablets containing tadalafil over an extended period of time is a risk-free option. These small differences affect the way each medication works, such as how quickly it takes effect and wears off, and the possible side effects. Its effects might last longer if you have mild to moderate ED. At times, these distinctions may be more noteworthy. This can be particularly beneficial for men who engage in sexual activity regularly.These medicines all work well for ED. When choosing one, tell your doctor or other health care professional what your preferences are, such as cost, ease of use, how long the . This means that 4 hours after you take a dose, your body has cleared half of the dose. In most cases, it takes about 5 half-lives for your body to completely remove a drug from . Viagra price without insurance* Starting at $80 per dose: $$70 per dose: $90 per dose: Viagra doses: 25 mg, 50 mg, or mg: 25 mg, 50 mg, or mg: 25 mg, 50 mg, or .