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Exploring drug: Understanding Dosage, Usage, and Accessibility

drug, a medication known for its effectiveness in treating erectile dysfunction (ED), has become a significant topic of interest in the medical community and among those affected by ED. This article aims to provide an insightful overview of drug, including its recommended dosages, usage guidelines, and information on how to obtain it safely and responsibly.

What is drug?

drug, with its active ingredient tadalafil, is a prescription medication approved for treating erectile dysfunction and, in some cases, symptoms of benign prostatic hyperplasia (BPH). It belongs to a class of drugs known as PDE5 inhibitors, which enhance erectile function by increasing blood flow to the penis.

Dosage of drug

  • Standard Dosage: drug is commonly prescribed in dosages of 10 mg or 20 mg, taken before sexual activity.
  • Daily Use: For those preferring continuous treatment, drug is available in lower doses (2.5 mg and 5 mg) for daily use.
  • Adjustment: Dosage may be adjusted based on efficacy and tolerability.

Usage Guidelines

  • For Erectile Dysfunction: Cialis should be taken at least 30 minutes before sexual activity. Its effects can last up to 36 hours.
  • For BPH Symptoms: When prescribed for BPH, Cialis is usually taken once a day.
  • Precautions: It's important not to combine Cialis with nitrate medications due to the risk of severe blood pressure drops.

Safety and Side Effects

  • Common Side Effects: These may include headaches, indigestion, back pain, and facial flushing.
  • Serious Side Effects: Seek immediate medical attention for symptoms like an erection lasting more than 4 hours or sudden vision loss.

How and Where to Get Cialis

  • Consult a Doctor: A prescription is required for Cialis. Discussing your medical history and current medications with a healthcare provider is essential.
  • Pharmacies: Many licensed pharmacies offer Cialis. Ensure they require a prescription and have a licensed pharmacist available for consultation.
  • Local Pharmacies: Cialis can also be obtained from brick-and-mortar pharmacies upon presentation of a prescription.

Choosing a Reliable Source

  • Verification: Look for pharmacies verified by organizations like the National Association of Boards of Pharmacy (NABP).
  • Avoid Counterfeits: Be wary of sources offering Cialis without a prescription or at a significantly reduced price, as these could be counterfeit.

Cialis is a powerful medication for managing erectile dysfunction and BPH symptoms, offering a considerable duration of effectiveness. However, it's crucial to use it under the guidance of a healthcare professional and procure it from reputable sources. By understanding the proper dosage, usage guidelines, and obtaining it responsibly, individuals can effectively utilize Cialis as a part of their treatment plan.

Celebrating Scientific Discoveries That advance Human Health
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Robert Lefkowitz, MD

Celebrating Robert J. Lefkowitz's Career at Duke

"Celebrating Scientific Discoveries that Advance Human Health" is a scientific symposium in recognition of Robert J. Lefkowitz’s 50 years at Duke. Open to the public on October 2-3, 2023 in Page Auditorium, this event will include scientific presentations from 7 Nobel Laureates as well as other eminent scientists. The event also includes a special leadership session with Former Duke Men's Basketball Coach Mike Krzyzewski, Executive Vice President for Health Affairs and Dean Mary E. Klotman, MD, Duke University President Vincent Price, PhD, and Chancellor's Distinguished Professor of Medicine Robert Lefkowitz, MD, led by Sim Sitkin, PhD, Michael W. Krzyzewski University Professor in Duke's Fuqua School of Business.

This event will be held in-person. All faculty, staff, trainees, and students are welcome to attend.

Monday Schedule | Tuesday Schedule

Registration Closed

Guests traveling from out of town may make reservations at Lefkowitz50
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Speaker Bios

Monday, October 2, 2023

Page Auditorium




Morning Session

9:00 - 9:30 am


Mary Klotman, MD
Executive Vice President for Health Affairs, Duke University
Dean, Duke University School of Medicine
Chief Academic Officer, Duke Health

Victor Dzau, MD
Chancellor Emeritus for Health Affairs, Duke University

Ralph Snyderman, MD
Chancellor Emeritus for Health Affairs, Duke University

9:30 - 10:00 am Celebrating Scientific Discoveries Opening Session
Moderator: Mike Kastan, MD, PhD
Harold Varmus, MD
Lefkowitz and Me in Our 20’s: Training Together in the 60’s
10:00 am - 12:30 pm

Discoveries Pertaining to Cholesterol Metabolism
Moderator: R. Sanders "Sandy" Williams, MD

Joseph Goldstein, MD
How to Solve a Scientific Puzzle: Clues from Stockholm and Broadway

Michael Brown, MD
Brown, Goldstein and Cholesterol: 50 Years, 2 Surprises

Helen Hobbs, MD
Fatty Liver Disease: Ancient Mutations for a Common

Q & A

Afternoon Session

1:30 - 3:00 pm

Discoveries Pertaining to Ion Channels
Moderator: Seok-Yong Lee, PhD

Roderick MacKinnon, MD
G Protein Regulation of PLCb Hydrolysis of PIP2

Peter Agre, MD
Robert Lefkowitz Festschrift: From Stockholm to
Sub-Saharan Africa via Durham, NC

Q & A

3:00 - 4:15 pm

Health Resources and Funding of Discoveries
Moderator: Victor Dzau, MD

Gary Gibbons, MD
Empowering Physician Scientists to Translate Discovery
Science Into Public Health Impact

4:15 - 4:30 pm Break
4:30 - 5:30 pm Panel Discussion: Sustaining Success in the Spotlight
Moderator: Sim Sitkin, PhD

Robert Lefkowitz, MD
Vincent Price, PhD
Mary Klotman, MD
Michael Krzyzewski

5:30 Program Close

Tuesday, October 3, 2023

Page Auditorium




Morning Session

8:30 am


Kathleen A. Cooney, MD
Chair of the Department of Medicine

8:45 - 11:00 am

Discoveries Pertaining to the Biology of Receptors and Stem Cells
Moderator: Nelson Chao and Pat Casey

Brian Kobilka, MD
Structural Insights into G Protein Coupled Receptor Activation

Irving Weissman, MD
Normal and Neoplastic Stem Cells

Stuart Orkin, MD
Reversing the Fetal-to-Adult Hemoglobin Switch: Genetics,
Mechanism, and Therapy

11:00 - 11:15 pm Break
11:15 - 12:00 pm Discoveries Pertaining to Neurodegeneration (via Zoom)
Moderator: Jim McNamara

Stanley Prusiner, MD
Prions Prions Prions (via Zoom)

12:00 pm Closing Remarks

For additional information please contact [email protected]

Make a gift to support cardiovascular research at Duke
in honor of Dr. Lefkowitz