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Toll Free: (800) 521-4732 | Local: (610) 685-LUNG (5864)
Address: 2608 Keiser Blvd • Wyomissing, PA 19610

Preparing for Your Allergy Appointment

Pre Skin Testing Education

You are scheduled for allergy skin testing. Your testing will take about 2 hours.

PLEASE make sure you eat and drink something prior to your skin testing appointment.

Please call (610) 685-5864 Ext: 100 or 102 if you are not feeling well or unable to keep this appointment.

It is important to understand the following instructions to insure the safety and accuracy of your skin test. Skin testing has a small risk of a serious allergic reaction including hives or asthma which may require additional medication and a longer visit. It is extremely rare that patients have a severe allergic reaction requiring emergency treatment. Skin testing cannot be done during an ongoing exacerbation of asthma.


Please be sure your physician and nurse are aware of all your prescriptions and over the counter medications because certain medications can alter skin test results.

You will be required to STOP the following medications prior to your skin testing appointment.

STOP 14 Days Prior to Skin Testing

Long acting antihistamines:

  • Claritin
  • Loratadine
  • Alavert
  • Zyrtec
  • Fexofenadine
  • Allegra

STOP 7 Days Prior to Skin Testing

  • Tagamet (Cimetidine)
  • Ranitidine (Zantac)
  • Famotidine (Pepcid)

STOP 5 Days Prior to Skin Testing

  • Hydroxyzine (Atarax or Vistaril)

STOP 48 Hours Prior to Skin Testing

All over the counter Allergy and Sinus medications.

Short acting antihistamines:

  • Benadryl
  • Diphenhydramine
  • Chlorpheniramine
  • Tavist

STOP 4 Hours Prior to Skin Testing


  • Albuterol
  • Proventil
  • Ventolin
  • ProAir

STOP Midnight Before Your Scheduled Appointment


  • Intal
  • Nasalcrom
  • Crolom

Please notify the office if you are currently taking Elavil or Doxepin.

Please notify the office if you are currently taking a beta-blocker medication. There is a possibility skin testing may not be performed.

  • Betapace (Sotalol)
  • Levatol (Penbutolol)
  • Blocadren (Timolol)
  • Normodyne (Labetolol)
  • Brevibloc (Esmolol)
  • Normozide (Alpha, Beta)
  • Cartrol (Carteolol)
  • Sectral (Acebutolol)
  • Coreg (Carvedilol)
  • Tenoretic (contains Atenolol)
  • Corgard (Nadolol)
  • Tenormin (Atenolol)
  • Corzide (contains Nadolol)
  • Timolide (Timolol)
  • Inderide (contains Propranolol)
  • Toprol XL (Metoprolol)
  • Inderal (Propranolol)
  • Trandate (Labetolol)
  • Kerlone (Betaxolol)
  • Visken (Pindolol)
  • Lopressor (Metoprolol) (Toprol)

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