Real patients. Real reviews. From Facebook & Google.
"Chris texted me back within seconds and had my prescription over to the pharmacy within minutes..so simple and easy definitely beats sitting in a waiting room. Recommend 100%!"
"Very fast and convenient. I first messaged Chris at 10:08am and I was picking up my prescriptions from the pharmacy at 10:52am same day! Cannot recommend enough!!!!"
"Fast, easy, no waiting, very professional. I recommend him to everyone."
"Easiest ever! Fast responses, so quick and simple."
"Messaged Chris he responded in a timely manner. Very professional. Easy to talk to about our concerns. It was nice to be able to stay at home and get quality care."
"I had a great experience with NPCWoods Telemed Clinic! Chris was incredibly efficient and genuinely helpful. He made the whole process quick and stress-free."
"What a wonderful service to the community! Fast response time, no sitting in the waiting room or waiting hours for a call back. I highly recommend!!"
"Literally cannot recommend enough! My daughter had the worst cough ever and it was so bad on a Saturday night after midnight, I text Chris, he replied immediately."
"Chris texted me back within seconds and had my prescription over to the pharmacy within minutes..so simple and easy definitely beats sitting in a waiting room. Recommend 100%!"
"Very fast and convenient. I first messaged Chris at 10:08am and I was picking up my prescriptions from the pharmacy at 10:52am same day! Cannot recommend enough!!!!"
"Fast, easy, no waiting, very professional. I recommend him to everyone."
"Easiest ever! Fast responses, so quick and simple."
"Messaged Chris he responded in a timely manner. Very professional. Easy to talk to about our concerns. It was nice to be able to stay at home and get quality care."
"I had a great experience with NPCWoods Telemed Clinic! Chris was incredibly efficient and genuinely helpful. He made the whole process quick and stress-free."
"What a wonderful service to the community! Fast response time, no sitting in the waiting room or waiting hours for a call back. I highly recommend!!"
"Literally cannot recommend enough! My daughter had the worst cough ever and it was so bad on a Saturday night after midnight, I text Chris, he replied immediately."
Medication Guide — Patient Education
Penicillin V
Brand names: Pen VK, Veetids
Penicillin is the OG antibiotic — discovered in 1928, it changed the world. It's still one of the most effective treatments for strep throat. Here's everything you need to know.
Penicillin-type AntibioticOral medicationPrescription only
Reviewed by Chris Woods, MSN, APRN, FNP-C — Board-certified nurse practitioner. Licensed in AZ, CO, GA, ID, IA, MT, NV, NM, NC, OR, UT. This guide reflects current clinical evidence and best practices as of 2026.
What is Penicillin V?
Penicillin V is an antibiotic — one of the original ones. When penicillin was discovered in 1928, it revolutionized medicine and saved millions of lives. Penicillin V (the "V" stands for "oral") is the form you take by mouth. It works by killing bacteria that cause common infections. Your body is already fighting the infection; penicillin V just gives it the backup it needs to win.
Penicillin V is especially effective against strep bacteria. It stops bacteria from building their cell walls — without a cell wall, bacteria can't survive and they break apart. It's been used successfully for nearly a century, which tells you something important: it's safe, well-studied, and your provider trusts it to work.
While newer antibiotics exist, penicillin V remains a first-line treatment for strep throat and other bacterial infections. Doctors still prescribe it because it works reliably and has fewer serious side effects than many modern alternatives. It's the antibiotic that proved antibiotics could save lives.
Conditions This Treats
Penicillin V is prescribed for bacterial infections, especially those caused by strep bacteria. Here are the most common uses:
Taking penicillin V the right way matters. Here's exactly what you need to know:
Detail
Instructions
Typical dose
500mg per dose
How often
2-3 times daily (usually every 6-8 hours)
For how long
10 days for strep throat (complete the full course)
With food?
Take on an empty stomach — 1 hour before or 2 hours after meals works best
Why empty stomach?
Food reduces how much penicillin V your body absorbs. Empty stomach = better absorption = better results
Liquid form
Shake well before each dose. Use a measuring spoon or syringe. Keep refrigerated. Discard after 14 days.
Finish your full 10-day course. Even if you feel better in 2-3 days, take every single dose. Stopping early is how strep comes back — sometimes even stronger. Your infection needs the full course to completely clear. Don't stop just because you feel better.
Side Effects
Most side effects from penicillin V are mild and temporary. Here's what to watch for:
Common (usually mild)
Nausea or stomach upset
Diarrhea
Headache
Mild skin rash
Mouth sores (rare)
These usually appear in the first few days and improve as your body adjusts. They're annoying but not dangerous. If nausea is bad, a very light snack is okay — just try to maintain the empty stomach benefit if you can.
Serious (seek help)
Severe allergic reaction (hives, facial swelling, breathing difficulty)
Severe diarrhea (watery or bloody) — possible C. difficile infection
Yellowing of skin or eyes — liver problems
Unusual bruising or bleeding
Severe rash with blistering or peeling
Difficulty swallowing or throat tightness
Stop taking penicillin V immediately and contact us if you experience any of these. Don't wait them out. These need immediate attention.
Stop & Seek Emergency Care If:
Difficulty breathing or throat swelling — even slight, stop immediately
Severe skin reaction — blistering, peeling, or spreading rash
Severe abdominal pain with bloody diarrhea — stop right away
Signs of allergic reaction — hives, facial swelling, trouble swallowing
Severe dizziness or confusion
When in doubt, call 911 or get to an ER. Text us anytime with questions — it's always better to check something and be safe.
Important Warnings & Interactions
Let your provider know about these situations before starting penicillin V:
Penicillin Allergies
This is important. Tell us immediately if you're allergic to penicillin or cephalosporins. If you've had a true allergic reaction (anaphylaxis, severe rash, difficulty breathing), penicillin V is not for you. But if you had mild nausea or a mild rash years ago, we might be able to use it safely — be specific about what happened.
Pregnancy & Breastfeeding
Penicillin V is Category B — generally safe during pregnancy. It's also safe while breastfeeding — only tiny amounts pass into breast milk. Always tell us you're pregnant or breastfeeding before taking any medication, though.
Birth Control
Penicillin V doesn't significantly reduce birth control effectiveness, but to be extra safe, use a backup method (condoms) while taking it and for 7 days after finishing. Better safe than sorry with something this important.
Alcohol
There's no direct chemical interaction. But alcohol worsens nausea and stomach upset — both potential side effects. It also slows your recovery. Recommendation: skip alcohol while taking penicillin V so your body can focus on healing.
Drug Interactions
Tell us if you take warfarin (blood thinner), methotrexate, or probenecid. Penicillin V can interact with these. Most interactions are minor, but we want to know about all your medications.
Storage & What to Do If You Miss a Dose
Storage
Store tablets at room temperature, away from moisture
Keep in original container
Liquid form: refrigerate, shake well before each dose
Discard liquid after 14 days
Keep away from children and pets
Missed Dose
Take it as soon as you remember
Unless it's close to your next dose — then skip it and resume your schedule
Never double up on doses
Set phone alarms to help you remember
Text us if you're struggling to remember doses
Frequently Asked Questions
Here are answers to the questions we hear most often:
Both are penicillin-type antibiotics, but amoxicillin is absorbed better by your body and works against a broader range of bacteria. Penicillin V is the original and is especially effective for strep throat and dental infections. Your provider picks based on what works best for your specific infection.
Penicillin V works best on an empty stomach (1 hour before or 2 hours after meals). Food reduces how much of the medication your body absorbs, which means less medication gets into your bloodstream to fight the infection. If nausea is a problem, a light snack is okay — talk to us about balancing your comfort with effectiveness.
Probably not. They're both penicillin-type antibiotics, so if you're allergic to one, you're likely allergic to the other. Cross-reactivity is common. About 10% of people with penicillin allergies can safely take amoxicillin, but this requires careful evaluation. Never try it without talking to us first.
Most people start feeling better within 24-48 hours. Pain and fever usually improve by day 2. But don't stop taking your medication just because you feel better — finish the full 10-day course. Stopping early is how infections come back, sometimes stronger and harder to treat.
There's no direct chemical interaction between alcohol and penicillin V. But alcohol can worsen nausea and stomach upset — two common side effects. It also slows your recovery by stressing your system. Best move: skip alcohol while you're on the medication so your body can focus on healing.
Sources & References
FDA DailyMed — Penicillin V Potassium Prescribing Information. Updated 2024. DailyMed
Infectious Diseases Society of America (IDSA) Clinical Practice Guidelines. Penicillin-Type Antibiotic Therapy for Streptococcal Infections. 2024 Update.
UpToDate — Penicillin V: Drug Information. Lexicomp Editorial Team. Updated 2024.
American Academy of Family Physicians. Antibiotic Stewardship and Patient Education. AAFP Resource Center. 2024.
Have Questions About Your Penicillin V?
If something doesn't feel right or you have questions about your medication, reach out. We're here to help you get better and stay safe.
NPCWoods