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What are cold sores?

Cold sores are small blisters filled with fluid, which can rupture or scab off eventually. Although most commonly seen on the corners of the mouth, they can be spotted on other parts of the face, hands or other areas of the body.

The infection is caused by a virus and is contagious.

What are its main signs and symptoms?

  • Before the sore actually appears, you will feel some discomfort at that spot. Itching or burning are common sensations that you will experience, in addition to mild pain on touching the spot.
  • Once completely formed, the sore has a fluid-filled centre containing a yellowish fluid, which oozes out if pressed.
  • When the blister ruptures, it leaves behind a small sore, which scabs off. These sores usually last for up to a week.
  • If the viral infection is too severe, you may develop a fever, lymph node swelling and gum discomfort along with these sores.
  • Cold sores can spread to the genitals by oral sex.

What are its main causes?

  •  Herpes simplex virus (HSV) is the organism that causes cold sores. There are two types of HSV – HSV-1 and HSV-2.
  • HSV-1, otherwise called herpes simplex labialis, commonly affects the mouth and surrounding areas, while HSV-2 causes sores on or around the genitalia.
  • The virus can be transmitted from person to person by kissing and sharing towels, lip balm, utensils and other personal items.
  • Recurrence is common since the virus remains dormant in the nerves. This is triggered by factors like a weak immune system, sun exposure, stress and hormonal fluctuations.

How is it diagnosed and treated?

  • The physician can usually make a diagnosis just by looking at the sores, and confirm by testing the fluid in the centre of the blister.
  • An infection will also elevate your white blood cell count.
  • Anti-viral medications are the key to treating cold sores.
  • The medicine can be prescribed as an oral pill, and in severe cases, like an injection.
  • Topical creams help to relieve the symptoms of itchiness and burning.
  • The patient is advised to avoid sharing any personal items and prevent contact through kissing and sexual intercourse.
  1. Home remedies for cold sores or fever blisters
  2. Medicines for Cold Sores

Medicines for Cold Sores

Medicines listed below are available for Cold Sores. Please note that you should not take any medicines without doctor consultation. Taking any medicine without doctor's consultation can cause serious problems.

Medicine NamePack SizePrice (Rs.)
HerpexHerpex 100 Mg Tablet64
SBL Camphora LMSBL Camphora 0/1 LM64
Schwabe Latrodectus mactans CHSchwabe Latrodectus mactans 1000 CH96
Schwabe Laurocerasus CHSchwabe Laurocerasus 1000 CH96
Bjain Camphora DilutionBjain Camphora Dilution 1000 CH63
SBL Camphora Mother Tincture QSBL Camphora Mother Tincture Q 82
ADEL 33 Apo-Oedem DropADEL 33 Apo-Oedem Drop200
ADEL Camphora DilutionADEL Camphora Dilution 1000 CH144
ADEL 54 Cangust DropADEL 54 Cangust Drop200
Dr. Reckeweg Camphora DilutionDr. Reckeweg Camphora Dilution 1000 CH136
SBL Tonicard Gold DropsSBL Tonicard Gold Drops 128
Neo Card N DropsADEL Neo Card N Drops 288
SBL Filipendula ulmaria DilutionSBL Filipendula ulmaria Dilution 1000 CH86
Dr. Reckeweg Camphora QDr. Reckeweg Camphora Q 176
Bjain Camphora Mother Tincture QBjain Camphora Mother Tincture Q 407
Valanext VALANEXT 1000MG TABLET 3 S144
ADEL Arundo Mauritanica DilutionADEL Arundo Mauritanica Dilution 200 CH112
ADEL Valeriana Mother Tincture QADEL Valeriana Mother Tincture Q 240
Lysatone PlusLysatone Plus Syrup61
Schwabe AngiotonSchwabe Angioton 119
PodowartPodowart Paint147
Schwabe Arundo mauritanica CHSchwabe Arundo donax (Arundo muritanica) 12 CH96
ValcetValcet 1000 Mg Tablet144
ValcivirVALCIVIR 1GM TABLET 10S193

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References

  1. Richardson VN, Davis SA, Gustafson CJ, West CE, Feldman SR. Patterns of disease and treatment of cold sores. J Dermatolog Treat. 2013 Dec;24(6):439-43. PMID: 23541214
  2. American Society of microbiology. [internet]; High-Dose, Short-Duration, Early Valacyclovir Therapy for Episodic Treatment of Cold Sores: Results of Two Randomized, Placebo-Controlled, Multicenter Studies
  3. Healthdirect Australia. Cold sores. Australian government: Department of Health
  4. Better health channel. Department of Health and Human Services [internet]. State government of Victoria; Cold sores
  5. MedlinePlus Medical Encyclopedia: US National Library of Medicine; Cold sores
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